Q: What is the sum of all factors of the number 424,390 excluding 424,390?
A: 386,042
The factors of the number 424,390 are: 1, 2, 5, 10, 31, 37, 62, 74, 155, 185, 310, 370, 1147, 1369, 2294, 2738, 5735, 6845, 11470, 13690, 42439, 84878, 212195, 424390.
If you add them up, you will get the total of 424,776. Now subtract 424,390 to get 386,042