2991705700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{1997}}^1$

素因数の和:2293

約数の個数: 72

約数和(自身を含む): 6617951424

約数和(自身を除く): 3626245724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 211, 284, 355, 422, 710, 844, 1055, 1420, 1775, 1997, 2110, 3550, 3994, 4220, 5275, 7100, 7988, 9985, 10550, 14981, 19970, 21100, 29962, 39940, 49925, 59924, 74905, 99850, 141787, 149810, 199700, 283574, 299620, 374525, 421367, 567148, 708935, 749050, 842734, 1417870, 1498100, 1685468, 2106835, 2835740, 3544675, 4213670, 7089350, 8427340, 10534175, 14178700, 21068350, 29917057, 42136700, 59834114, 119668228, 149585285, 299170570, 598341140, 747926425, 1495852850, 2991705700]

約数ペア:

[(1, 2991705700), (2, 1495852850), (4, 747926425), (5, 598341140), (10, 299170570), (20, 149585285), (25, 119668228), (50, 59834114), (71, 42136700), (100, 29917057), (142, 21068350), (211, 14178700), (284, 10534175), (355, 8427340), (422, 7089350), (710, 4213670), (844, 3544675), (1055, 2835740), (1420, 2106835), (1775, 1685468), (1997, 1498100), (2110, 1417870), (3550, 842734), (3994, 749050), (4220, 708935), (5275, 567148), (7100, 421367), (7988, 374525), (9985, 299620), (10550, 283574), (14981, 199700), (19970, 149810), (21100, 141787), (29962, 99850), (39940, 74905), (49925, 59924)]