Q: What is the sum of all factors of the number 399,140 excluding 399,140?
A: 559,132
The factors of the number 399,140 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2851, 5702, 11404, 14255, 19957, 28510, 39914, 57020, 79828, 99785, 199570, 399140.
If you add them up, you will get the total of 399,699. Now subtract 399,140 to get 559,132