Q: What is the sum of all factors of the number 220,221,222 excluding 220,221,222?

A: 254,667,738

Why is 254,667,738 the sum of all factors of 220,221,222, excluding 220,221,222?

The factors of the number 220,221,222 are: 1, 2, 3, 6, 13, 26, 39, 78, 1559, 1811, 3118, 3622, 4677, 5433, 9354, 10866, 20267, 23543, 40534, 47086, 60801, 70629, 121602, 141258, 2823349, 5646698, 8470047, 16940094, 36703537, 73407074, 110110611, 220221222.

If you add them up, you will get the total of 220,221,476. Now subtract 220,221,222 to get 254,667,738