211292360

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{38557}}^1$

素因数の和:38705

約数の個数: 32

約数和(自身を含む): 478890360

約数和(自身を除く): 267598000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 38557, 77114, 154228, 192785, 308456, 385570, 771140, 1542280, 5282309, 10564618, 21129236, 26411545, 42258472, 52823090, 105646180, 211292360]

約数ペア:

[(1, 211292360), (2, 105646180), (4, 52823090), (5, 42258472), (8, 26411545), (10, 21129236), (20, 10564618), (40, 5282309), (137, 1542280), (274, 771140), (548, 385570), (685, 308456), (1096, 192785), (1370, 154228), (2740, 77114), (5480, 38557)]