Q: What is the sum of all factors of the number 408,978 excluding 408,978?
A: 477,180
The factors of the number 408,978 are: 1, 2, 3, 6, 9, 18, 22721, 45442, 68163, 136326, 204489, 408978.
If you add them up, you will get the total of 409,455. Now subtract 408,978 to get 477,180