Q: What is the sum of all factors of the number 210,223,240 excluding 210,223,240?

A: 263,568,440

Why is 263,568,440 the sum of all factors of 210,223,240, excluding 210,223,240?

The factors of the number 210,223,240 are: 1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 8123, 12940, 16246, 25880, 32492, 40615, 64984, 81230, 162460, 324920, 5255581, 10511162, 21022324, 26277905, 42044648, 52555810, 105111620, 210223240.

If you add them up, you will get the total of 210,223,503. Now subtract 210,223,240 to get 263,568,440