Q: What is the sum of all factors of the number 420,144 excluding 420,144?
A: 665,352
The factors of the number 420,144 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 8753, 17506, 26259, 35012, 52518, 70024, 105036, 140048, 210072, 420144.
If you add them up, you will get the total of 420,809. Now subtract 420,144 to get 665,352