128693740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2351}}^1$

素因数の和:2407

約数の個数: 96

約数和(自身を含む): 341397504

約数和(自身を除く): 212703764

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 68, 70, 85, 92, 115, 119, 140, 161, 170, 230, 238, 322, 340, 391, 460, 476, 595, 644, 782, 805, 1190, 1564, 1610, 1955, 2351, 2380, 2737, 3220, 3910, 4702, 5474, 7820, 9404, 10948, 11755, 13685, 16457, 23510, 27370, 32914, 39967, 47020, 54073, 54740, 65828, 79934, 82285, 108146, 159868, 164570, 199835, 216292, 270365, 279769, 329140, 378511, 399670, 540730, 559538, 757022, 799340, 919241, 1081460, 1119076, 1398845, 1514044, 1838482, 1892555, 2797690, 3676964, 3785110, 4596205, 5595380, 6434687, 7570220, 9192410, 12869374, 18384820, 25738748, 32173435, 64346870, 128693740]

約数ペア:

[(1, 128693740), (2, 64346870), (4, 32173435), (5, 25738748), (7, 18384820), (10, 12869374), (14, 9192410), (17, 7570220), (20, 6434687), (23, 5595380), (28, 4596205), (34, 3785110), (35, 3676964), (46, 2797690), (68, 1892555), (70, 1838482), (85, 1514044), (92, 1398845), (115, 1119076), (119, 1081460), (140, 919241), (161, 799340), (170, 757022), (230, 559538), (238, 540730), (322, 399670), (340, 378511), (391, 329140), (460, 279769), (476, 270365), (595, 216292), (644, 199835), (782, 164570), (805, 159868), (1190, 108146), (1564, 82285), (1610, 79934), (1955, 65828), (2351, 54740), (2380, 54073), (2737, 47020), (3220, 39967), (3910, 32914), (4702, 27370), (5474, 23510), (7820, 16457), (9404, 13685), (10948, 11755)]