Q: What is the sum of all factors of the number 143,780 excluding 143,780?

A: 232,540

Why is 232,540 the sum of all factors of 143,780, excluding 143,780?

The factors of the number 143,780 are: 1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 79, 91, 130, 140, 158, 182, 260, 316, 364, 395, 455, 553, 790, 910, 1027, 1106, 1580, 1820, 2054, 2212, 2765, 4108, 5135, 5530, 7189, 10270, 11060, 14378, 20540, 28756, 35945, 71890, 143780.

If you add them up, you will get the total of 144,012. Now subtract 143,780 to get 232,540