process.stdin.resume();
process.stdin.setEncoding('ascii');

var input_stdin = "";
var input_stdin_array = "";
var input_currentline = 0;

process.stdin.on('data', function (data) {
    input_stdin += data;
});

process.stdin.on('end', function () {
    input_stdin_array = input_stdin.split("\n");
    main();    
});

function readLine() {
    return input_stdin_array[input_currentline++];
}

/////////////// ignore above this line ////////////////////

var moves = 0;

function count(x){
    let flag = 0;
    if(x == 1){
        return;
    }
    for(var j = x - 1; j > 1;j--){
        if(x % j == 0){
            moves++;
            for(k = 0;k < j;k++){
                count(x / j);
            }
            flag++;
            break;
        }
    }
    if(flag == 0){
        moves += x;
        moves++;
        return;
    }
}

function longestSequence(a) {
    //  Return the length of the longest possible sequence of moves.
    for(var i = 0;i < a.length;i++){
        if(a[i] == 1){
            moves++;
        }
        else{
            count(a[i]);
        }
    }
    return moves;
}

function main() {
    var n = parseInt(readLine());
    a = readLine().split(' ');
    a = a.map(Number);
    var result = longestSequence(a);
    process.stdout.write("" + result + "\n");

}