Q: What is the sum of all factors of the number 400,536,435 including 400,536,435?

A: 726,485,760

Why is 726,485,760 the sum of all factors of 400,536,435, including 400,536,435?

The factors of the number 400,536,435 are: 1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 108107, 324321, 540535, 1405391, 1621605, 2054033, 4216173, 6162099, 7026955, 10270165, 21080865, 26702429, 30810495, 80107287, 133512145, 400536435.

If you add them up, you will get the total of 726,485,760.