2171505140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{2539}}^1$

素因数の和:2745

約数の個数: 96

約数和(自身を含む): 5376672000

約数和(自身を除く): 3205166860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 149, 164, 205, 287, 298, 410, 574, 596, 745, 820, 1043, 1148, 1435, 1490, 2086, 2539, 2870, 2980, 4172, 5078, 5215, 5740, 6109, 10156, 10430, 12218, 12695, 17773, 20860, 24436, 25390, 30545, 35546, 42763, 50780, 61090, 71092, 85526, 88865, 104099, 122180, 171052, 177730, 208198, 213815, 355460, 378311, 416396, 427630, 520495, 728693, 756622, 855260, 1040990, 1457386, 1513244, 1891555, 2081980, 2648177, 2914772, 3643465, 3783110, 5296354, 7286930, 7566220, 10592708, 13240885, 14573860, 15510751, 26481770, 31021502, 52963540, 62043004, 77553755, 108575257, 155107510, 217150514, 310215020, 434301028, 542876285, 1085752570, 2171505140]

約数ペア:

[(1, 2171505140), (2, 1085752570), (4, 542876285), (5, 434301028), (7, 310215020), (10, 217150514), (14, 155107510), (20, 108575257), (28, 77553755), (35, 62043004), (41, 52963540), (70, 31021502), (82, 26481770), (140, 15510751), (149, 14573860), (164, 13240885), (205, 10592708), (287, 7566220), (298, 7286930), (410, 5296354), (574, 3783110), (596, 3643465), (745, 2914772), (820, 2648177), (1043, 2081980), (1148, 1891555), (1435, 1513244), (1490, 1457386), (2086, 1040990), (2539, 855260), (2870, 756622), (2980, 728693), (4172, 520495), (5078, 427630), (5215, 416396), (5740, 378311), (6109, 355460), (10156, 213815), (10430, 208198), (12218, 177730), (12695, 171052), (17773, 122180), (20860, 104099), (24436, 88865), (25390, 85526), (30545, 71092), (35546, 61090), (42763, 50780)]