390071920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 1077931008

約数和(自身を除く): 687859088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 97, 112, 140, 167, 172, 194, 215, 280, 301, 334, 344, 388, 430, 485, 560, 602, 668, 679, 688, 776, 835, 860, 970, 1169, 1204, 1336, 1358, 1505, 1552, 1670, 1720, 1940, 2338, 2408, 2672, 2716, 3010, 3340, 3395, 3440, 3880, 4171, 4676, 4816, 5432, 5845, 6020, 6680, 6790, 7181, 7760, 8342, 9352, 10864, 11690, 12040, 13360, 13580, 14362, 16199, 16684, 18704, 20855, 23380, 24080, 27160, 28724, 29197, 32398, 33368, 35905, 41710, 46760, 50267, 54320, 57448, 58394, 64796, 66736, 71810, 80995, 83420, 93520, 100534, 113393, 114896, 116788, 129592, 143620, 145985, 161990, 166840, 201068, 226786, 233576, 251335, 259184, 287240, 291970, 323980, 333680, 402136, 453572, 467152, 502670, 566965, 574480, 583940, 647960, 696557, 804272, 907144, 1005340, 1133930, 1167880, 1295920, 1393114, 1814288, 2010680, 2267860, 2335760, 2786228, 3482785, 4021360, 4535720, 4875899, 5572456, 6965570, 9071440, 9751798, 11144912, 13931140, 19503596, 24379495, 27862280, 39007192, 48758990, 55724560, 78014384, 97517980, 195035960, 390071920]

約数ペア:

[(1, 390071920), (2, 195035960), (4, 97517980), (5, 78014384), (7, 55724560), (8, 48758990), (10, 39007192), (14, 27862280), (16, 24379495), (20, 19503596), (28, 13931140), (35, 11144912), (40, 9751798), (43, 9071440), (56, 6965570), (70, 5572456), (80, 4875899), (86, 4535720), (97, 4021360), (112, 3482785), (140, 2786228), (167, 2335760), (172, 2267860), (194, 2010680), (215, 1814288), (280, 1393114), (301, 1295920), (334, 1167880), (344, 1133930), (388, 1005340), (430, 907144), (485, 804272), (560, 696557), (602, 647960), (668, 583940), (679, 574480), (688, 566965), (776, 502670), (835, 467152), (860, 453572), (970, 402136), (1169, 333680), (1204, 323980), (1336, 291970), (1358, 287240), (1505, 259184), (1552, 251335), (1670, 233576), (1720, 226786), (1940, 201068), (2338, 166840), (2408, 161990), (2672, 145985), (2716, 143620), (3010, 129592), (3340, 116788), (3395, 114896), (3440, 113393), (3880, 100534), (4171, 93520), (4676, 83420), (4816, 80995), (5432, 71810), (5845, 66736), (6020, 64796), (6680, 58394), (6790, 57448), (7181, 54320), (7760, 50267), (8342, 46760), (9352, 41710), (10864, 35905), (11690, 33368), (12040, 32398), (13360, 29197), (13580, 28724), (14362, 27160), (16199, 24080), (16684, 23380), (18704, 20855)]