Q: What is the sum of all factors of the number 311,213,220 excluding 311,213,220?

A: 611,445,468

Why is 611,445,468 the sum of all factors of 311,213,220, excluding 311,213,220?

The factors of the number 311,213,220 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 305111, 610222, 915333, 1220444, 1525555, 1830666, 3051110, 3661332, 4576665, 5186887, 6102220, 9153330, 10373774, 15560661, 18306660, 20747548, 25934435, 31121322, 51868870, 62242644, 77803305, 103737740, 155606610, 311213220.

If you add them up, you will get the total of 311,213,831. Now subtract 311,213,220 to get 611,445,468