Q: What is the sum of all factors of the number 383,940 excluding 383,940?

A: 839,100

Why is 839,100 the sum of all factors of 383,940, excluding 383,940?

The factors of the number 383,940 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 243, 270, 316, 324, 395, 405, 474, 486, 540, 711, 790, 810, 948, 972, 1185, 1215, 1422, 1580, 1620, 2133, 2370, 2430, 2844, 3555, 4266, 4740, 4860, 6399, 7110, 8532, 10665, 12798, 14220, 19197, 21330, 25596, 31995, 38394, 42660, 63990, 76788, 95985, 127980, 191970, 383940.

If you add them up, you will get the total of 384,779. Now subtract 383,940 to get 839,100