17440940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7207}}^1$

素因数の和:7238

約数の個数: 36

約数和(自身を含む): 40263888

約数和(自身を除く): 22822948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7207, 14414, 28828, 36035, 72070, 79277, 144140, 158554, 317108, 396385, 792770, 872047, 1585540, 1744094, 3488188, 4360235, 8720470, 17440940]

約数ペア:

[(1, 17440940), (2, 8720470), (4, 4360235), (5, 3488188), (10, 1744094), (11, 1585540), (20, 872047), (22, 792770), (44, 396385), (55, 317108), (110, 158554), (121, 144140), (220, 79277), (242, 72070), (484, 36035), (605, 28828), (1210, 14414), (2420, 7207)]