Q: What is the sum of all factors of the number 899,660 excluding 899,660?
A: 989,668
The factors of the number 899,660 are: 1, 2, 4, 5, 10, 20, 44983, 89966, 179932, 224915, 449830, 899660.
If you add them up, you will get the total of 900,649. Now subtract 899,660 to get 989,668