220612900

素因数分解:

$2^2\times 5^2\times {\mathrm{397}}^1\times {\mathrm{5557}}^1$

素因数の和:5968

約数の個数: 36

約数和(自身を含む): 480022228

約数和(自身を除く): 259409328

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 397, 794, 1588, 1985, 3970, 5557, 7940, 9925, 11114, 19850, 22228, 27785, 39700, 55570, 111140, 138925, 277850, 555700, 2206129, 4412258, 8824516, 11030645, 22061290, 44122580, 55153225, 110306450, 220612900]

約数ペア:

[(1, 220612900), (2, 110306450), (4, 55153225), (5, 44122580), (10, 22061290), (20, 11030645), (25, 8824516), (50, 4412258), (100, 2206129), (397, 555700), (794, 277850), (1588, 138925), (1985, 111140), (3970, 55570), (5557, 39700), (7940, 27785), (9925, 22228), (11114, 19850)]