Q: What is the sum of all factors of the number 407,875 excluding 407,875?
A: 142,493
The factors of the number 407,875 are: 1, 5, 13, 25, 65, 125, 251, 325, 1255, 1625, 3263, 6275, 16315, 31375, 81575, 407875.
If you add them up, you will get the total of 408,017. Now subtract 407,875 to get 142,493