Q: What is the sum of all factors of the number 255,140 excluding 255,140?
A: 280,696
The factors of the number 255,140 are: 1, 2, 4, 5, 10, 20, 12757, 25514, 51028, 63785, 127570, 255140.
If you add them up, you will get the total of 255,420. Now subtract 255,140 to get 280,696