Q: What is the sum of all factors of the number 772,640 excluding 772,640?

A: 1,223,200

Why is 1,223,200 the sum of all factors of 772,640, excluding 772,640?

The factors of the number 772,640 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 439, 440, 878, 880, 1756, 1760, 2195, 3512, 4390, 4829, 7024, 8780, 9658, 14048, 17560, 19316, 24145, 35120, 38632, 48290, 70240, 77264, 96580, 154528, 193160, 386320, 772640.

If you add them up, you will get the total of 772,641. Now subtract 772,640 to get 1,223,200