Q: What is the sum of all factors of the number 387,172 excluding 387,172?
A: 306,444
The factors of the number 387,172 are: 1, 2, 4, 43, 86, 172, 2251, 4502, 9004, 96793, 193586, 387172.
If you add them up, you will get the total of 387,478. Now subtract 387,172 to get 306,444