Q: What is the sum of all factors of the number 221,200 excluding 221,200?

A: 393,840

Why is 393,840 the sum of all factors of 221,200, excluding 221,200?

The factors of the number 221,200 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 79, 80, 100, 112, 140, 158, 175, 200, 280, 316, 350, 395, 400, 553, 560, 632, 700, 790, 1106, 1264, 1400, 1580, 1975, 2212, 2765, 2800, 3160, 3950, 4424, 5530, 6320, 7900, 8848, 11060, 13825, 15800, 22120, 27650, 31600, 44240, 55300, 110600, 221200.

If you add them up, you will get the total of 221,593. Now subtract 221,200 to get 393,840