402595420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{8081}}^1$

素因数の和:8190

約数の個数: 48

約数和(自身を含む): 879838848

約数和(自身を除く): 477243428

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 940, 1060, 2491, 4982, 8081, 9964, 12455, 16162, 24910, 32324, 40405, 49820, 80810, 161620, 379807, 428293, 759614, 856586, 1519228, 1713172, 1899035, 2141465, 3798070, 4282930, 7596140, 8565860, 20129771, 40259542, 80519084, 100648855, 201297710, 402595420]

約数ペア:

[(1, 402595420), (2, 201297710), (4, 100648855), (5, 80519084), (10, 40259542), (20, 20129771), (47, 8565860), (53, 7596140), (94, 4282930), (106, 3798070), (188, 2141465), (212, 1899035), (235, 1713172), (265, 1519228), (470, 856586), (530, 759614), (940, 428293), (1060, 379807), (2491, 161620), (4982, 80810), (8081, 49820), (9964, 40405), (12455, 32324), (16162, 24910)]