Q: What is the sum of all factors of the number 100,142,440 excluding 100,142,440?

A: 129,434,240

Why is 129,434,240 the sum of all factors of 100,142,440, excluding 100,142,440?

The factors of the number 100,142,440 are: 1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 47237, 94474, 188948, 236185, 377896, 472370, 944740, 1889480, 2503561, 5007122, 10014244, 12517805, 20028488, 25035610, 50071220, 100142440.

If you add them up, you will get the total of 100,142,569. Now subtract 100,142,440 to get 129,434,240