Q: What is the sum of all factors of the number 1,299,660 including 1,299,660?
A: 3,639,216
The factors of the number 1,299,660 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21661, 43322, 64983, 86644, 108305, 129966, 216610, 259932, 324915, 433220, 649830, 1299660.
If you add them up, you will get the total of 3,639,216.