2131904740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{50591}}^1$

素因数の和:50657

約数の個数: 72

約数和(自身を含む): 5329158912

約数和(自身を除く): 3197254172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 8428, 10535, 21070, 42140, 50591, 101182, 202364, 252955, 354137, 505910, 708274, 1011820, 1416548, 1770685, 2175413, 2478959, 3541370, 4350826, 4957918, 7082740, 8701652, 9915836, 10877065, 12394795, 15227891, 21754130, 24789590, 30455782, 43508260, 49579180, 60911564, 76139455, 106595237, 152278910, 213190474, 304557820, 426380948, 532976185, 1065952370, 2131904740]

約数ペア:

[(1, 2131904740), (2, 1065952370), (4, 532976185), (5, 426380948), (7, 304557820), (10, 213190474), (14, 152278910), (20, 106595237), (28, 76139455), (35, 60911564), (43, 49579180), (49, 43508260), (70, 30455782), (86, 24789590), (98, 21754130), (140, 15227891), (172, 12394795), (196, 10877065), (215, 9915836), (245, 8701652), (301, 7082740), (430, 4957918), (490, 4350826), (602, 3541370), (860, 2478959), (980, 2175413), (1204, 1770685), (1505, 1416548), (2107, 1011820), (3010, 708274), (4214, 505910), (6020, 354137), (8428, 252955), (10535, 202364), (21070, 101182), (42140, 50591)]