2142740740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{355937}}^1$

素因数の和:355996

約数の個数: 48

約数和(自身を含む): 5262187392

約数和(自身を除く): 3119446652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 355937, 711874, 1423748, 1779685, 2491559, 3559370, 4983118, 7118740, 9966236, 12457795, 15305291, 24915590, 30610582, 49831180, 61221164, 76526455, 107137037, 153052910, 214274074, 306105820, 428548148, 535685185, 1071370370, 2142740740]

約数ペア:

[(1, 2142740740), (2, 1071370370), (4, 535685185), (5, 428548148), (7, 306105820), (10, 214274074), (14, 153052910), (20, 107137037), (28, 76526455), (35, 61221164), (43, 49831180), (70, 30610582), (86, 24915590), (140, 15305291), (172, 12457795), (215, 9966236), (301, 7118740), (430, 4983118), (602, 3559370), (860, 2491559), (1204, 1779685), (1505, 1423748), (3010, 711874), (6020, 355937)]