Q: What is the sum of all factors of the number 396,940 including 396,940?
A: 846,720
The factors of the number 396,940 are: 1, 2, 4, 5, 10, 20, 89, 178, 223, 356, 445, 446, 890, 892, 1115, 1780, 2230, 4460, 19847, 39694, 79388, 99235, 198470, 396940.
If you add them up, you will get the total of 846,720.