Q: What is the sum of all factors of the number 240,640 excluding 240,640?

A: 348,896

Why is 348,896 the sum of all factors of 240,640, excluding 240,640?

The factors of the number 240,640 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 512, 640, 752, 940, 1024, 1280, 1504, 1880, 2560, 3008, 3760, 5120, 6016, 7520, 12032, 15040, 24064, 30080, 48128, 60160, 120320, 240640.

If you add them up, you will get the total of 240,988. Now subtract 240,640 to get 348,896