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import java.math.*;
import java.util.Scanner;

class Main
{
    public static int countDivisors(int n){
      if (n==1)
        return 1;
      int cnt = 0;
      for(int i=1; i<(int)(Math.sqrt(n) + 1); i++){
    	  if (n % i == 0)
    		  cnt += n/i;
      }
      return (int)(cnt+1);
    }
      
	public static void main (String[] args)
	{
	   
        Scanner my_scan = new Scanner(System.in);
        int n = my_scan.nextInt();
        int[] num = new int[n];
        for(int i=0; i<n; i++){
            num[i] = my_scan.nextInt();
        }
        int sum = 0;
        for(int i=0; i<n; i++){
            sum += countDivisors(num[i]);
        }
        System.out.println(sum);
	}
}