Q: What is the sum of all factors of the number 511,840 excluding 511,840?

A: 873,152

Why is 873,152 the sum of all factors of 511,840, excluding 511,840?

The factors of the number 511,840 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 457, 560, 914, 1120, 1828, 2285, 3199, 3656, 4570, 6398, 7312, 9140, 12796, 14624, 15995, 18280, 25592, 31990, 36560, 51184, 63980, 73120, 102368, 127960, 255920, 511840.

If you add them up, you will get the total of 512,713. Now subtract 511,840 to get 873,152