Q: What is the sum of all factors of the number 204,280 excluding 204,280?
A: 255,440
The factors of the number 204,280 are: 1, 2, 4, 5, 8, 10, 20, 40, 5107, 10214, 20428, 25535, 40856, 51070, 102140, 204280.
If you add them up, you will get the total of 204,535. Now subtract 204,280 to get 255,440