Q: What is the sum of all factors of the number 257,390 excluding 257,390?
A: 272,242
The factors of the number 257,390 are: 1, 2, 5, 7, 10, 14, 35, 70, 3677, 7354, 18385, 25739, 36770, 51478, 128695, 257390.
If you add them up, you will get the total of 257,662. Now subtract 257,390 to get 272,242