Q: What is the sum of all factors of the number 15,388,990 excluding 15,388,990?
A: 12,624,050
The factors of the number 15,388,990 are: 1, 2, 5, 10, 89, 178, 445, 890, 17291, 34582, 86455, 172910, 1538899, 3077798, 7694495, 15388990.
If you add them up, you will get the total of 15,389,002. Now subtract 15,388,990 to get 12,624,050