Q: What is the sum of all factors of the number 257,990 excluding 257,990?
A: 206,410
The factors of the number 257,990 are: 1, 2, 5, 10, 25799, 51598, 128995, 257990.
If you add them up, you will get the total of 258,196. Now subtract 257,990 to get 206,410