491407488

素因数分解:

$2^7\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 384

約数和(自身を含む): 1759867200

約数和(自身を除く): 1268459712

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 19, 22, 24, 26, 32, 33, 36, 38, 39, 44, 48, 52, 57, 64, 66, 72, 76, 78, 88, 96, 99, 104, 114, 117, 128, 132, 143, 144, 152, 156, 157, 171, 176, 192, 198, 208, 209, 228, 234, 247, 264, 286, 288, 304, 312, 314, 342, 352, 384, 396, 416, 418, 429, 456, 468, 471, 494, 528, 572, 576, 608, 624, 627, 628, 684, 704, 741, 792, 832, 836, 858, 912, 936, 942, 988, 1056, 1144, 1152, 1216, 1248, 1254, 1256, 1287, 1368, 1408, 1413, 1482, 1584, 1664, 1672, 1716, 1727, 1824, 1872, 1881, 1884, 1976, 2041, 2112, 2223, 2288, 2432, 2496, 2508, 2512, 2574, 2717, 2736, 2826, 2964, 2983, 3168, 3344, 3432, 3454, 3648, 3744, 3762, 3768, 3952, 4082, 4224, 4446, 4576, 4992, 5016, 5024, 5148, 5181, 5434, 5472, 5652, 5928, 5966, 6123, 6336, 6688, 6864, 6908, 7296, 7488, 7524, 7536, 7904, 8151, 8164, 8892, 8949, 9152, 10032, 10048, 10296, 10362, 10868, 10944, 11304, 11856, 11932, 12246, 12672, 13376, 13728, 13816, 14976, 15048, 15072, 15543, 15808, 16302, 16328, 17784, 17898, 18304, 18369, 20064, 20096, 20592, 20724, 21736, 21888, 22451, 22608, 23712, 23864, 24453, 24492, 26752, 26847, 27456, 27632, 30096, 30144, 31086, 31616, 32604, 32656, 32813, 35568, 35796, 36738, 38779, 40128, 41184, 41448, 43472, 44902, 45216, 47424, 47728, 48906, 48984, 53694, 54912, 55264, 60192, 60288, 62172, 65208, 65312, 65626, 67353, 71136, 71592, 73476, 77558, 80256, 82368, 82896, 86944, 89804, 90432, 94848, 95456, 97812, 97968, 98439, 107388, 110528, 116337, 120384, 124344, 130416, 130624, 131252, 134706, 142272, 143184, 146952, 155116, 164736, 165792, 173888, 179608, 180864, 190912, 195624, 195936, 196878, 202059, 214776, 221056, 232674, 240768, 248688, 260832, 261248, 262504, 269412, 284544, 286368, 293904, 295317, 310232, 331584, 347776, 349011, 359216, 381824, 391248, 391872, 393756, 404118, 426569, 429552, 465348, 497376, 521664, 525008, 538824, 572736, 587808, 590634, 620464, 663168, 698022, 718432, 782496, 783744, 787512, 808236, 853138, 859104, 930696, 994752, 1043328, 1050016, 1077648, 1145472, 1175616, 1181268, 1240928, 1279707, 1396044, 1436864, 1564992, 1575024, 1616472, 1706276, 1718208, 1861392, 1989504, 2100032, 2155296, 2351232, 2362536, 2481856, 2559414, 2792088, 2873728, 3129984, 3150048, 3232944, 3412552, 3436416, 3722784, 3839121, 4200064, 4310592, 4725072, 4963712, 5118828, 5584176, 6300096, 6465888, 6825104, 7445568, 7678242, 8621184, 9450144, 10237656, 11168352, 12600192, 12931776, 13650208, 14891136, 15356484, 18900288, 20475312, 22336704, 25863552, 27300416, 30712968, 37800576, 40950624, 44673408, 54600832, 61425936, 81901248, 122851872, 163802496, 245703744, 491407488]

約数ペア:

[(1, 491407488), (2, 245703744), (3, 163802496), (4, 122851872), (6, 81901248), (8, 61425936), (9, 54600832), (11, 44673408), (12, 40950624), (13, 37800576), (16, 30712968), (18, 27300416), (19, 25863552), (22, 22336704), (24, 20475312), (26, 18900288), (32, 15356484), (33, 14891136), (36, 13650208), (38, 12931776), (39, 12600192), (44, 11168352), (48, 10237656), (52, 9450144), (57, 8621184), (64, 7678242), (66, 7445568), (72, 6825104), (76, 6465888), (78, 6300096), (88, 5584176), (96, 5118828), (99, 4963712), (104, 4725072), (114, 4310592), (117, 4200064), (128, 3839121), (132, 3722784), (143, 3436416), (144, 3412552), (152, 3232944), (156, 3150048), (157, 3129984), (171, 2873728), (176, 2792088), (192, 2559414), (198, 2481856), (208, 2362536), (209, 2351232), (228, 2155296), (234, 2100032), (247, 1989504), (264, 1861392), (286, 1718208), (288, 1706276), (304, 1616472), (312, 1575024), (314, 1564992), (342, 1436864), (352, 1396044), (384, 1279707), (396, 1240928), (416, 1181268), (418, 1175616), (429, 1145472), (456, 1077648), (468, 1050016), (471, 1043328), (494, 994752), (528, 930696), (572, 859104), (576, 853138), (608, 808236), (624, 787512), (627, 783744), (628, 782496), (684, 718432), (704, 698022), (741, 663168), (792, 620464), (832, 590634), (836, 587808), (858, 572736), (912, 538824), (936, 525008), (942, 521664), (988, 497376), (1056, 465348), (1144, 429552), (1152, 426569), (1216, 404118), (1248, 393756), (1254, 391872), (1256, 391248), (1287, 381824), (1368, 359216), (1408, 349011), (1413, 347776), (1482, 331584), (1584, 310232), (1664, 295317), (1672, 293904), (1716, 286368), (1727, 284544), (1824, 269412), (1872, 262504), (1881, 261248), (1884, 260832), (1976, 248688), (2041, 240768), (2112, 232674), (2223, 221056), (2288, 214776), (2432, 202059), (2496, 196878), (2508, 195936), (2512, 195624), (2574, 190912), (2717, 180864), (2736, 179608), (2826, 173888), (2964, 165792), (2983, 164736), (3168, 155116), (3344, 146952), (3432, 143184), (3454, 142272), (3648, 134706), (3744, 131252), (3762, 130624), (3768, 130416), (3952, 124344), (4082, 120384), (4224, 116337), (4446, 110528), (4576, 107388), (4992, 98439), (5016, 97968), (5024, 97812), (5148, 95456), (5181, 94848), (5434, 90432), (5472, 89804), (5652, 86944), (5928, 82896), (5966, 82368), (6123, 80256), (6336, 77558), (6688, 73476), (6864, 71592), (6908, 71136), (7296, 67353), (7488, 65626), (7524, 65312), (7536, 65208), (7904, 62172), (8151, 60288), (8164, 60192), (8892, 55264), (8949, 54912), (9152, 53694), (10032, 48984), (10048, 48906), (10296, 47728), (10362, 47424), (10868, 45216), (10944, 44902), (11304, 43472), (11856, 41448), (11932, 41184), (12246, 40128), (12672, 38779), (13376, 36738), (13728, 35796), (13816, 35568), (14976, 32813), (15048, 32656), (15072, 32604), (15543, 31616), (15808, 31086), (16302, 30144), (16328, 30096), (17784, 27632), (17898, 27456), (18304, 26847), (18369, 26752), (20064, 24492), (20096, 24453), (20592, 23864), (20724, 23712), (21736, 22608), (21888, 22451)]