import math
from functools import reduce

def compute_gcd(arr):
    return reduce(math.gcd, arr)

def main():
    import sys
    input = sys.stdin.read().split()
    n = int(input[0])
    a = list(map(int, input[1:n+1]))
    sum_a = sum(a)
    if n == 0:
        print(0)
        return
    
    if all(x == 0 for x in a):
        print(0)
        return
    
    g = compute_gcd(a)
    
    min_original = float('inf')
    for i in range(n):
        d = a[i]
        current = 1
        for j in range(n):
            if i == j:
                continue
            x = a[j]
            if d == 0:
                current += x
            else:
                if x % d == 0:
                    current += x // d
                else:
                    current += x
        if current < min_original:
            min_original = current
    
    sum_created = sum_a // g
    answer = min(min_original, sum_created)
    print(answer)

if __name__ == "__main__":
    main()