29971480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 86676480

約数和(自身を除く): 56705000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 185, 220, 259, 263, 280, 296, 308, 370, 385, 407, 440, 518, 526, 616, 740, 770, 814, 1036, 1052, 1295, 1315, 1480, 1540, 1628, 1841, 2035, 2072, 2104, 2590, 2630, 2849, 2893, 3080, 3256, 3682, 4070, 5180, 5260, 5698, 5786, 7364, 8140, 9205, 9731, 10360, 10520, 11396, 11572, 14245, 14465, 14728, 16280, 18410, 19462, 20251, 22792, 23144, 28490, 28930, 36820, 38924, 40502, 48655, 56980, 57860, 68117, 73640, 77848, 81004, 97310, 101255, 107041, 113960, 115720, 136234, 162008, 194620, 202510, 214082, 272468, 340585, 389240, 405020, 428164, 535205, 544936, 681170, 749287, 810040, 856328, 1070410, 1362340, 1498574, 2140820, 2724680, 2997148, 3746435, 4281640, 5994296, 7492870, 14985740, 29971480]

約数ペア:

[(1, 29971480), (2, 14985740), (4, 7492870), (5, 5994296), (7, 4281640), (8, 3746435), (10, 2997148), (11, 2724680), (14, 2140820), (20, 1498574), (22, 1362340), (28, 1070410), (35, 856328), (37, 810040), (40, 749287), (44, 681170), (55, 544936), (56, 535205), (70, 428164), (74, 405020), (77, 389240), (88, 340585), (110, 272468), (140, 214082), (148, 202510), (154, 194620), (185, 162008), (220, 136234), (259, 115720), (263, 113960), (280, 107041), (296, 101255), (308, 97310), (370, 81004), (385, 77848), (407, 73640), (440, 68117), (518, 57860), (526, 56980), (616, 48655), (740, 40502), (770, 38924), (814, 36820), (1036, 28930), (1052, 28490), (1295, 23144), (1315, 22792), (1480, 20251), (1540, 19462), (1628, 18410), (1841, 16280), (2035, 14728), (2072, 14465), (2104, 14245), (2590, 11572), (2630, 11396), (2849, 10520), (2893, 10360), (3080, 9731), (3256, 9205), (3682, 8140), (4070, 7364), (5180, 5786), (5260, 5698)]