Q: What is the sum of all factors of the number 443,680 excluding 443,680?

A: 644,960

Why is 644,960 the sum of all factors of 443,680, excluding 443,680?

The factors of the number 443,680 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 59, 80, 94, 118, 160, 188, 235, 236, 295, 376, 470, 472, 590, 752, 940, 944, 1180, 1504, 1880, 1888, 2360, 2773, 3760, 4720, 5546, 7520, 9440, 11092, 13865, 22184, 27730, 44368, 55460, 88736, 110920, 221840, 443680.

If you add them up, you will get the total of 444,324. Now subtract 443,680 to get 644,960