Q: What is the sum of all factors of the number 1,000 excluding 1,000?
A: 1,340
The factors of the number 1,000 are: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000.
If you add them up, you will get the total of 1,001. Now subtract 1,000 to get 1,340