Q: What is the sum of all factors of the number 306,990 excluding 306,990?
A: 520,650
The factors of the number 306,990 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 379, 405, 758, 810, 1137, 1895, 2274, 3411, 3790, 5685, 6822, 10233, 11370, 17055, 20466, 30699, 34110, 51165, 61398, 102330, 153495, 306990.
If you add them up, you will get the total of 307,510. Now subtract 306,990 to get 520,650