Q: What is the sum of all factors of the number 257,078 excluding 257,078?
A: 131,290
The factors of the number 257,078 are: 1, 2, 173, 346, 743, 1486, 128539, 257078.
If you add them up, you will get the total of 257,209. Now subtract 257,078 to get 131,290