#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>
long int longestSequence(int n, long int a[]) {
    long int sum=0,j;
    for(j=0;j<n;j++)
    {
    int count=0,k;
    int key=a[j];
    for(k=key;k>1;k--)
    {
    	if(a[j]%k==0)
    	{
    	count=count+k;
    	int d=a[j]/k;
    	key=k;
    	a[j]=a[j]/d;
    }
	}
	    count++;
        sum=sum+count;
    }
    return sum;
    //  Return the length of the longest possible sequence of moves.
}

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