Q: What is the sum of all factors of the number 207,090 excluding 207,090?

A: 397,710

Why is 397,710 the sum of all factors of 207,090, excluding 207,090?

The factors of the number 207,090 are: 1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 59, 65, 78, 90, 117, 118, 130, 135, 177, 195, 234, 270, 295, 351, 354, 390, 531, 585, 590, 702, 767, 885, 1062, 1170, 1534, 1593, 1755, 1770, 2301, 2655, 3186, 3510, 3835, 4602, 5310, 6903, 7670, 7965, 11505, 13806, 15930, 20709, 23010, 34515, 41418, 69030, 103545, 207090.

If you add them up, you will get the total of 207,487. Now subtract 207,090 to get 397,710