Q: What is the sum of all factors of the number 420,879 excluding 420,879?
A: 143,601
The factors of the number 420,879 are: 1, 3, 239, 587, 717, 1761, 140293, 420879.
If you add them up, you will get the total of 421,022. Now subtract 420,879 to get 143,601