Q: What is the sum of all factors of the number 149,820 excluding 149,820?

A: 309,828

Why is 309,828 the sum of all factors of 149,820, excluding 149,820?

The factors of the number 149,820 are: 1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 227, 330, 454, 660, 681, 908, 1135, 1362, 2270, 2497, 2724, 3405, 4540, 4994, 6810, 7491, 9988, 12485, 13620, 14982, 24970, 29964, 37455, 49940, 74910, 149820.

If you add them up, you will get the total of 150,129. Now subtract 149,820 to get 309,828