Q: What is the sum of all factors of the number 189,900 excluding 189,900?

A: 408,152

Why is 408,152 the sum of all factors of 189,900, excluding 189,900?

The factors of the number 189,900 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 211, 225, 300, 422, 450, 633, 844, 900, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 5275, 6330, 7596, 9495, 10550, 12660, 15825, 18990, 21100, 31650, 37980, 47475, 63300, 94950, 189900.

If you add them up, you will get the total of 190,308. Now subtract 189,900 to get 408,152