Q: What is the sum of all factors of the number 989,830 excluding 989,830?
A: 869,066
The factors of the number 989,830 are: 1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 961, 1030, 1922, 3193, 4805, 6386, 9610, 15965, 31930, 98983, 197966, 494915, 989830.
If you add them up, you will get the total of 990,699. Now subtract 989,830 to get 869,066