Q: What is the sum of all factors of the number 317,440 excluding 317,440?

A: 468,800

Why is 468,800 the sum of all factors of 317,440, excluding 317,440?

The factors of the number 317,440 are: 1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2048, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 10240, 15872, 19840, 31744, 39680, 63488, 79360, 158720, 317440.

If you add them up, you will get the total of 317,908. Now subtract 317,440 to get 468,800