Q: What is the sum of all factors of the number 189,540 excluding 189,540?

A: 453,144

Why is 453,144 the sum of all factors of 189,540, excluding 189,540?

The factors of the number 189,540 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 729, 780, 810, 972, 1053, 1170, 1215, 1404, 1458, 1620, 1755, 2106, 2340, 2430, 2916, 3159, 3510, 3645, 4212, 4860, 5265, 6318, 7020, 7290, 9477, 10530, 12636, 14580, 15795, 18954, 21060, 31590, 37908, 47385, 63180, 94770, 189540.

If you add them up, you will get the total of 189,993. Now subtract 189,540 to get 453,144