Q: What is the sum of all factors of the number 57,978 excluding 57,978?
A: 67,680
The factors of the number 57,978 are: 1, 2, 3, 6, 9, 18, 3221, 6442, 9663, 19326, 28989, 57978.
If you add them up, you will get the total of 58,045. Now subtract 57,978 to get 67,680