Q: What is the sum of all factors of the number 600 excluding 600?
A: 1,260
The factors of the number 600 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600.
If you add them up, you will get the total of 601. Now subtract 600 to get 1,260