280893340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8123}}^1$

素因数の和:8171

約数の個数: 96

約数和(自身を含む): 764305920

約数和(自身を除く): 483412580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2660, 3458, 4940, 6916, 8123, 8645, 16246, 17290, 32492, 34580, 40615, 56861, 81230, 105599, 113722, 154337, 162460, 211198, 227444, 284305, 308674, 422396, 527995, 568610, 617348, 739193, 771685, 1055990, 1080359, 1137220, 1478386, 1543370, 2006381, 2111980, 2160718, 2956772, 3086740, 3695965, 4012762, 4321436, 5401795, 7391930, 8025524, 10031905, 10803590, 14044667, 14783860, 20063810, 21607180, 28089334, 40127620, 56178668, 70223335, 140446670, 280893340]

約数ペア:

[(1, 280893340), (2, 140446670), (4, 70223335), (5, 56178668), (7, 40127620), (10, 28089334), (13, 21607180), (14, 20063810), (19, 14783860), (20, 14044667), (26, 10803590), (28, 10031905), (35, 8025524), (38, 7391930), (52, 5401795), (65, 4321436), (70, 4012762), (76, 3695965), (91, 3086740), (95, 2956772), (130, 2160718), (133, 2111980), (140, 2006381), (182, 1543370), (190, 1478386), (247, 1137220), (260, 1080359), (266, 1055990), (364, 771685), (380, 739193), (455, 617348), (494, 568610), (532, 527995), (665, 422396), (910, 308674), (988, 284305), (1235, 227444), (1330, 211198), (1729, 162460), (1820, 154337), (2470, 113722), (2660, 105599), (3458, 81230), (4940, 56861), (6916, 40615), (8123, 34580), (8645, 32492), (16246, 17290)]