Q: What is the sum of all factors of the number 179,820 excluding 179,820?

A: 401,124

Why is 401,124 the sum of all factors of 179,820, excluding 179,820?

The factors of the number 179,820 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 243, 270, 324, 333, 370, 405, 444, 486, 540, 555, 666, 740, 810, 972, 999, 1110, 1215, 1332, 1620, 1665, 1998, 2220, 2430, 2997, 3330, 3996, 4860, 4995, 5994, 6660, 8991, 9990, 11988, 14985, 17982, 19980, 29970, 35964, 44955, 59940, 89910, 179820.

If you add them up, you will get the total of 180,221. Now subtract 179,820 to get 401,124