Q: What is the sum of all factors of the number 121,500 excluding 121,500?

A: 275,988

Why is 275,988 the sum of all factors of 121,500, excluding 121,500?

The factors of the number 121,500 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 243, 250, 270, 300, 324, 375, 405, 450, 486, 500, 540, 675, 750, 810, 900, 972, 1125, 1215, 1350, 1500, 1620, 2025, 2250, 2430, 2700, 3375, 4050, 4500, 4860, 6075, 6750, 8100, 10125, 12150, 13500, 20250, 24300, 30375, 40500, 60750, 121500.

If you add them up, you will get the total of 121,775. Now subtract 121,500 to get 275,988