Q: What is the sum of all factors of the number 387,200 excluding 387,200?

A: 664,165

Why is 664,165 the sum of all factors of 387,200, excluding 387,200?

The factors of the number 387,200 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 121, 128, 160, 176, 200, 220, 242, 275, 320, 352, 400, 440, 484, 550, 605, 640, 704, 800, 880, 968, 1100, 1210, 1408, 1600, 1760, 1936, 2200, 2420, 3025, 3200, 3520, 3872, 4400, 4840, 6050, 7040, 7744, 8800, 9680, 12100, 15488, 17600, 19360, 24200, 35200, 38720, 48400, 77440, 96800, 193600, 387200.

If you add them up, you will get the total of 387,864. Now subtract 387,200 to get 664,165