2100035720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{3623}}^1$

素因数の和:4014

約数の個数: 64

約数和(自身を含む): 4850651520

約数和(自身を除く): 2750615800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 337, 344, 430, 674, 860, 1348, 1685, 1720, 2696, 3370, 3623, 6740, 7246, 13480, 14491, 14492, 18115, 28982, 28984, 36230, 57964, 72455, 72460, 115928, 144910, 144920, 155789, 289820, 311578, 579640, 623156, 778945, 1220951, 1246312, 1557890, 2441902, 3115780, 4883804, 6104755, 6231560, 9767608, 12209510, 24419020, 48838040, 52500893, 105001786, 210003572, 262504465, 420007144, 525008930, 1050017860, 2100035720]

約数ペア:

[(1, 2100035720), (2, 1050017860), (4, 525008930), (5, 420007144), (8, 262504465), (10, 210003572), (20, 105001786), (40, 52500893), (43, 48838040), (86, 24419020), (172, 12209510), (215, 9767608), (337, 6231560), (344, 6104755), (430, 4883804), (674, 3115780), (860, 2441902), (1348, 1557890), (1685, 1246312), (1720, 1220951), (2696, 778945), (3370, 623156), (3623, 579640), (6740, 311578), (7246, 289820), (13480, 155789), (14491, 144920), (14492, 144910), (18115, 115928), (28982, 72460), (28984, 72455), (36230, 57964)]