Q: What is the sum of all factors of the number 216,640,545 including 216,640,545?

A: 378,877,824

Why is 378,877,824 the sum of all factors of 216,640,545, including 216,640,545?

The factors of the number 216,640,545 are: 1, 3, 5, 11, 15, 33, 55, 165, 701, 1873, 2103, 3505, 5619, 7711, 9365, 10515, 20603, 23133, 28095, 38555, 61809, 103015, 115665, 309045, 1312973, 3938919, 6564865, 14442703, 19694595, 43328109, 72213515, 216640545.

If you add them up, you will get the total of 378,877,824.