Q: What is the sum of all factors of the number 1,420,240 including 1,420,240?

A: 3,390,408

Why is 3,390,408 the sum of all factors of 1,420,240, including 1,420,240?

The factors of the number 1,420,240 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 433, 656, 820, 866, 1640, 1732, 2165, 3280, 3464, 4330, 6928, 8660, 17320, 17753, 34640, 35506, 71012, 88765, 142024, 177530, 284048, 355060, 710120, 1420240.

If you add them up, you will get the total of 3,390,408.