Q: What is the sum of all factors of the number 1,978,280 including 1,978,280?

A: 4,732,020

Why is 4,732,020 the sum of all factors of 1,978,280, including 1,978,280?

The factors of the number 1,978,280 are: 1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 274, 361, 380, 548, 685, 722, 760, 1096, 1370, 1444, 1805, 2603, 2740, 2888, 3610, 5206, 5480, 7220, 10412, 13015, 14440, 20824, 26030, 49457, 52060, 98914, 104120, 197828, 247285, 395656, 494570, 989140, 1978280.

If you add them up, you will get the total of 4,732,020.