990331263292

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1\times {\mathrm{4391}}^1$

素因数の和:5352

約数の個数: 144

約数和(自身を含む): 2155041262080

約数和(自身を除く): 1164709998788

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 71, 76, 98, 133, 142, 196, 266, 284, 497, 532, 853, 931, 994, 1349, 1706, 1862, 1988, 2698, 3412, 3479, 3724, 4391, 5396, 5971, 6958, 8782, 9443, 11942, 13916, 16207, 17564, 18886, 23884, 30737, 32414, 37772, 41797, 60563, 61474, 64828, 66101, 83429, 83594, 113449, 121126, 122948, 132202, 166858, 167188, 215159, 226898, 242252, 264404, 311761, 333716, 423941, 430318, 453796, 584003, 623522, 794143, 847882, 860636, 1150697, 1168006, 1247044, 1588286, 1695764, 2182327, 2301394, 2336012, 2967587, 3176572, 3745523, 4088021, 4364654, 4602788, 5923459, 5935174, 7491046, 8054879, 8176042, 8729308, 11846918, 11870348, 14982092, 15276289, 16109758, 16352084, 23693836, 26218661, 30552578, 32219516, 41464213, 52437322, 56384153, 61105156, 71164937, 82928426, 104874644, 112768306, 142329874, 165856852, 183530627, 225536612, 265932133, 284659748, 290249491, 367061254, 498154559, 531864266, 580498982, 734122508, 996309118, 1063728532, 1160997964, 1861524931, 1992618236, 3487081913, 3723049862, 5052710527, 6974163826, 7446099724, 10105421054, 13030674517, 13948327652, 20210842108, 26061349034, 35368973689, 52122698068, 70737947378, 141475894756, 247582815823, 495165631646, 990331263292]

約数ペア:

[(1, 990331263292), (2, 495165631646), (4, 247582815823), (7, 141475894756), (14, 70737947378), (19, 52122698068), (28, 35368973689), (38, 26061349034), (49, 20210842108), (71, 13948327652), (76, 13030674517), (98, 10105421054), (133, 7446099724), (142, 6974163826), (196, 5052710527), (266, 3723049862), (284, 3487081913), (497, 1992618236), (532, 1861524931), (853, 1160997964), (931, 1063728532), (994, 996309118), (1349, 734122508), (1706, 580498982), (1862, 531864266), (1988, 498154559), (2698, 367061254), (3412, 290249491), (3479, 284659748), (3724, 265932133), (4391, 225536612), (5396, 183530627), (5971, 165856852), (6958, 142329874), (8782, 112768306), (9443, 104874644), (11942, 82928426), (13916, 71164937), (16207, 61105156), (17564, 56384153), (18886, 52437322), (23884, 41464213), (30737, 32219516), (32414, 30552578), (37772, 26218661), (41797, 23693836), (60563, 16352084), (61474, 16109758), (64828, 15276289), (66101, 14982092), (83429, 11870348), (83594, 11846918), (113449, 8729308), (121126, 8176042), (122948, 8054879), (132202, 7491046), (166858, 5935174), (167188, 5923459), (215159, 4602788), (226898, 4364654), (242252, 4088021), (264404, 3745523), (311761, 3176572), (333716, 2967587), (423941, 2336012), (430318, 2301394), (453796, 2182327), (584003, 1695764), (623522, 1588286), (794143, 1247044), (847882, 1168006), (860636, 1150697)]