Q: What is the sum of all factors of the number 398,660 excluding 398,660?
A: 466,876
The factors of the number 398,660 are: 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 643, 1286, 2572, 3215, 6430, 12860, 19933, 39866, 79732, 99665, 199330, 398660.
If you add them up, you will get the total of 399,126. Now subtract 398,660 to get 466,876