Q: What is the sum of all factors of the number 331,740 excluding 331,740?

A: 738,420

Why is 738,420 the sum of all factors of 331,740, excluding 331,740?

The factors of the number 331,740 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 97, 114, 171, 180, 190, 194, 228, 285, 291, 342, 380, 388, 485, 570, 582, 684, 855, 873, 970, 1140, 1164, 1455, 1710, 1746, 1843, 1940, 2910, 3420, 3492, 3686, 4365, 5529, 5820, 7372, 8730, 9215, 11058, 16587, 17460, 18430, 22116, 27645, 33174, 36860, 55290, 66348, 82935, 110580, 165870, 331740.

If you add them up, you will get the total of 332,478. Now subtract 331,740 to get 738,420