Q: What is the sum of all factors of the number 278,416 excluding 278,416?
A: 261,046
The factors of the number 278,416 are: 1, 2, 4, 8, 16, 17401, 34802, 69604, 139208, 278416.
If you add them up, you will get the total of 278,677. Now subtract 278,416 to get 261,046