def main():
    import sys
    input = sys.stdin.read().split()
    N = int(input[0])
    A = list(map(int, input[1:N+1]))
    
    if N == 0:
        print(0)
        return
    
    max_A = max(A)
    freq = [0] * (max_A + 2)
    for a in A:
        freq[a] += 1
    
    total_sum = sum(A)
    min_sum = float('inf')
    
    for x in range(1, max_A + 1):
        sum_mult = 0
        sum_div = 0
        m = x
        while m <= max_A:
            sum_mult += m * freq[m]
            sum_div += (m // x) * freq[m]
            m += x
        current_sum = total_sum - sum_mult + sum_div
        if current_sum < min_sum:
            min_sum = current_sum
    
    print(min_sum)

if __name__ == "__main__":
    main()