395457920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 256

約数和(自身を含む): 1156680000

約数和(自身を除く): 761222080

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 29, 32, 40, 44, 52, 55, 58, 64, 65, 80, 88, 104, 110, 116, 128, 130, 143, 145, 149, 160, 176, 208, 220, 232, 260, 286, 290, 298, 319, 320, 352, 377, 416, 440, 464, 520, 572, 580, 596, 638, 640, 704, 715, 745, 754, 832, 880, 928, 1040, 1144, 1160, 1192, 1276, 1408, 1430, 1490, 1508, 1595, 1639, 1664, 1760, 1856, 1885, 1937, 2080, 2288, 2320, 2384, 2552, 2860, 2980, 3016, 3190, 3278, 3520, 3712, 3770, 3874, 4147, 4160, 4321, 4576, 4640, 4768, 5104, 5720, 5960, 6032, 6380, 6556, 7040, 7540, 7748, 8195, 8294, 8320, 8642, 9152, 9280, 9536, 9685, 10208, 11440, 11920, 12064, 12760, 13112, 15080, 15496, 16390, 16588, 17284, 18304, 18560, 19072, 19370, 20416, 20735, 21307, 21605, 22880, 23840, 24128, 25520, 26224, 30160, 30992, 32780, 33176, 34568, 38740, 40832, 41470, 42614, 43210, 45760, 47531, 47680, 48256, 51040, 52448, 56173, 60320, 61984, 65560, 66352, 69136, 77480, 82940, 85228, 86420, 91520, 95062, 95360, 102080, 104896, 106535, 112346, 120640, 123968, 131120, 132704, 138272, 154960, 165880, 170456, 172840, 190124, 204160, 209792, 213070, 224692, 237655, 241280, 247936, 262240, 265408, 276544, 280865, 309920, 331760, 340912, 345680, 380248, 426140, 449384, 475310, 524480, 530816, 553088, 561730, 617903, 619840, 663520, 681824, 691360, 760496, 852280, 898768, 950620, 1048960, 1123460, 1235806, 1239680, 1327040, 1363648, 1382720, 1520992, 1704560, 1797536, 1901240, 2246920, 2471612, 2654080, 2727296, 2765440, 3041984, 3089515, 3409120, 3595072, 3802480, 4493840, 4943224, 6083968, 6179030, 6818240, 7190144, 7604960, 8987680, 9886448, 12358060, 13636480, 15209920, 17975360, 19772896, 24716120, 30419840, 35950720, 39545792, 49432240, 79091584, 98864480, 197728960, 395457920]

約数ペア:

[(1, 395457920), (2, 197728960), (4, 98864480), (5, 79091584), (8, 49432240), (10, 39545792), (11, 35950720), (13, 30419840), (16, 24716120), (20, 19772896), (22, 17975360), (26, 15209920), (29, 13636480), (32, 12358060), (40, 9886448), (44, 8987680), (52, 7604960), (55, 7190144), (58, 6818240), (64, 6179030), (65, 6083968), (80, 4943224), (88, 4493840), (104, 3802480), (110, 3595072), (116, 3409120), (128, 3089515), (130, 3041984), (143, 2765440), (145, 2727296), (149, 2654080), (160, 2471612), (176, 2246920), (208, 1901240), (220, 1797536), (232, 1704560), (260, 1520992), (286, 1382720), (290, 1363648), (298, 1327040), (319, 1239680), (320, 1235806), (352, 1123460), (377, 1048960), (416, 950620), (440, 898768), (464, 852280), (520, 760496), (572, 691360), (580, 681824), (596, 663520), (638, 619840), (640, 617903), (704, 561730), (715, 553088), (745, 530816), (754, 524480), (832, 475310), (880, 449384), (928, 426140), (1040, 380248), (1144, 345680), (1160, 340912), (1192, 331760), (1276, 309920), (1408, 280865), (1430, 276544), (1490, 265408), (1508, 262240), (1595, 247936), (1639, 241280), (1664, 237655), (1760, 224692), (1856, 213070), (1885, 209792), (1937, 204160), (2080, 190124), (2288, 172840), (2320, 170456), (2384, 165880), (2552, 154960), (2860, 138272), (2980, 132704), (3016, 131120), (3190, 123968), (3278, 120640), (3520, 112346), (3712, 106535), (3770, 104896), (3874, 102080), (4147, 95360), (4160, 95062), (4321, 91520), (4576, 86420), (4640, 85228), (4768, 82940), (5104, 77480), (5720, 69136), (5960, 66352), (6032, 65560), (6380, 61984), (6556, 60320), (7040, 56173), (7540, 52448), (7748, 51040), (8195, 48256), (8294, 47680), (8320, 47531), (8642, 45760), (9152, 43210), (9280, 42614), (9536, 41470), (9685, 40832), (10208, 38740), (11440, 34568), (11920, 33176), (12064, 32780), (12760, 30992), (13112, 30160), (15080, 26224), (15496, 25520), (16390, 24128), (16588, 23840), (17284, 22880), (18304, 21605), (18560, 21307), (19072, 20735), (19370, 20416)]