Q: What is the sum of all factors of the number 400,032 excluding 400,032?

A: 769,248

Why is 769,248 the sum of all factors of 400,032, excluding 400,032?

The factors of the number 400,032 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 463, 864, 926, 1389, 1852, 2778, 3704, 4167, 5556, 7408, 8334, 11112, 12501, 14816, 16668, 22224, 25002, 33336, 44448, 50004, 66672, 100008, 133344, 200016, 400032.

If you add them up, you will get the total of 400,801. Now subtract 400,032 to get 769,248