Q: What is the sum of all factors of the number 255,400 excluding 255,400?
A: 338,870
The factors of the number 255,400 are: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1277, 2554, 5108, 6385, 10216, 12770, 25540, 31925, 51080, 63850, 127700, 255400.
If you add them up, you will get the total of 255,738. Now subtract 255,400 to get 338,870