Q: What is the sum of all factors of the number 400,354,620 excluding 400,354,620?

A: 734,841,540

Why is 734,841,540 the sum of all factors of 400,354,620, excluding 400,354,620?

The factors of the number 400,354,620 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 84463, 168926, 253389, 337852, 422315, 506778, 844630, 1013556, 1266945, 1689260, 2533890, 5067780, 6672577, 13345154, 20017731, 26690308, 33362885, 40035462, 66725770, 80070924, 100088655, 133451540, 200177310, 400354620.

If you add them up, you will get the total of 400,355,354. Now subtract 400,354,620 to get 734,841,540