Q: What is the sum of all factors of the number 399,384 excluding 399,384?

A: 736,416

Why is 736,416 the sum of all factors of 399,384, excluding 399,384?

The factors of the number 399,384 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 172, 216, 258, 344, 387, 516, 774, 1032, 1161, 1548, 1849, 2322, 3096, 3698, 4644, 5547, 7396, 9288, 11094, 14792, 16641, 22188, 33282, 44376, 49923, 66564, 99846, 133128, 199692, 399384.

If you add them up, you will get the total of 400,120. Now subtract 399,384 to get 736,416