Q: What is the sum of all factors of the number 398,420 including 398,420?
A: 913,248
The factors of the number 398,420 are: 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1811, 3622, 7244, 9055, 18110, 19921, 36220, 39842, 79684, 99605, 199210, 398420.
If you add them up, you will get the total of 913,248.