Q: What is the sum of all factors of the number 440,320 excluding 440,320?

A: 640,760

Why is 640,760 the sum of all factors of 440,320, excluding 440,320?

The factors of the number 440,320 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 640, 688, 860, 1024, 1280, 1376, 1720, 2048, 2560, 2752, 3440, 5120, 5504, 6880, 10240, 11008, 13760, 22016, 27520, 44032, 55040, 88064, 110080, 220160, 440320.

If you add them up, you will get the total of 440,960. Now subtract 440,320 to get 640,760