Q: What is the sum of all factors of the number 1,387,740 including 1,387,740?

A: 3,941,280

Why is 3,941,280 the sum of all factors of 1,387,740, including 1,387,740?

The factors of the number 1,387,740 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 229, 303, 404, 458, 505, 606, 687, 916, 1010, 1145, 1212, 1374, 1515, 2020, 2290, 2748, 3030, 3435, 4580, 6060, 6870, 13740, 23129, 46258, 69387, 92516, 115645, 138774, 231290, 277548, 346935, 462580, 693870, 1387740.

If you add them up, you will get the total of 3,941,280.