Q: What is the sum of all factors of the number 402,140 excluding 402,140?
A: 442,396
The factors of the number 402,140 are: 1, 2, 4, 5, 10, 20, 20107, 40214, 80428, 100535, 201070, 402140.
If you add them up, you will get the total of 402,582. Now subtract 402,140 to get 442,396