#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>
long int steps(long int a)
{       
        long int step = 1, i=1,temp;
        while(i!=a)
        {       
                step  = step + a/i;
                temp = i;
                do
                {       
                        i++;
                }while(a%i || i%temp);
        }
        return step;

}
long int longestSequence(int a_size, long int* a) {
    long int sum = 0;
    for(int i=0;i<a_size;i++)
        {
                sum+= steps(a[i]);
        }
    return sum;
    //  Return the length of the longest possible sequence of moves.
}

int main() {
    int n; 
    scanf("%i", &n);
    long int *a = malloc(sizeof(long int) * n);
    for (int a_i = 0; a_i < n; a_i++) {
       scanf("%li",&a[a_i]);
    }
    long int result = longestSequence(n, a);
    printf("%ld\n", result);
    return 0;
}