Q: What is the sum of all factors of the number 400,143,560 excluding 400,143,560?

A: 501,813,040

Why is 501,813,040 the sum of all factors of 400,143,560, excluding 400,143,560?

The factors of the number 400,143,560 are: 1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 4552, 5690, 11380, 17581, 22760, 35162, 70324, 87905, 140648, 175810, 351620, 703240, 10003589, 20007178, 40014356, 50017945, 80028712, 100035890, 200071780, 400143560.

If you add them up, you will get the total of 400,144,061. Now subtract 400,143,560 to get 501,813,040