Q: What is the sum of all factors of the number 450 excluding 450?
A: 759
The factors of the number 450 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450.
If you add them up, you will get the total of 1,209. Now subtract 450 to get 759