49697120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 137549664

約数和(自身を除く): 87852544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 151, 160, 170, 176, 187, 220, 242, 272, 302, 340, 352, 374, 440, 484, 544, 604, 605, 680, 748, 755, 880, 935, 968, 1208, 1210, 1360, 1496, 1510, 1661, 1760, 1870, 1936, 2057, 2416, 2420, 2567, 2720, 2992, 3020, 3322, 3740, 3872, 4114, 4832, 4840, 5134, 5984, 6040, 6644, 7480, 8228, 8305, 9680, 10268, 10285, 12080, 12835, 13288, 14960, 16456, 16610, 18271, 19360, 20536, 20570, 24160, 25670, 26576, 28237, 29920, 32912, 33220, 36542, 41072, 41140, 51340, 53152, 56474, 65824, 66440, 73084, 82144, 82280, 91355, 102680, 112948, 132880, 141185, 146168, 164560, 182710, 205360, 225896, 265760, 282370, 292336, 310607, 329120, 365420, 410720, 451792, 564740, 584672, 621214, 730840, 903584, 1129480, 1242428, 1461680, 1553035, 2258960, 2484856, 2923360, 3106070, 4517920, 4969712, 6212140, 9939424, 12424280, 24848560, 49697120]

約数ペア:

[(1, 49697120), (2, 24848560), (4, 12424280), (5, 9939424), (8, 6212140), (10, 4969712), (11, 4517920), (16, 3106070), (17, 2923360), (20, 2484856), (22, 2258960), (32, 1553035), (34, 1461680), (40, 1242428), (44, 1129480), (55, 903584), (68, 730840), (80, 621214), (85, 584672), (88, 564740), (110, 451792), (121, 410720), (136, 365420), (151, 329120), (160, 310607), (170, 292336), (176, 282370), (187, 265760), (220, 225896), (242, 205360), (272, 182710), (302, 164560), (340, 146168), (352, 141185), (374, 132880), (440, 112948), (484, 102680), (544, 91355), (604, 82280), (605, 82144), (680, 73084), (748, 66440), (755, 65824), (880, 56474), (935, 53152), (968, 51340), (1208, 41140), (1210, 41072), (1360, 36542), (1496, 33220), (1510, 32912), (1661, 29920), (1760, 28237), (1870, 26576), (1936, 25670), (2057, 24160), (2416, 20570), (2420, 20536), (2567, 19360), (2720, 18271), (2992, 16610), (3020, 16456), (3322, 14960), (3740, 13288), (3872, 12835), (4114, 12080), (4832, 10285), (4840, 10268), (5134, 9680), (5984, 8305), (6040, 8228), (6644, 7480)]