289094960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:763

約数の個数: 160

約数和(自身を含む): 851088384

約数和(自身を除く): 561993424

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 80, 88, 110, 112, 140, 142, 154, 176, 220, 280, 284, 308, 355, 385, 440, 497, 560, 568, 616, 661, 710, 770, 781, 880, 994, 1136, 1232, 1322, 1420, 1540, 1562, 1988, 2485, 2644, 2840, 3080, 3124, 3305, 3905, 3976, 4627, 4970, 5288, 5467, 5680, 6160, 6248, 6610, 7271, 7810, 7952, 9254, 9940, 10576, 10934, 12496, 13220, 14542, 15620, 18508, 19880, 21868, 23135, 26440, 27335, 29084, 31240, 36355, 37016, 39760, 43736, 46270, 46931, 50897, 52880, 54670, 58168, 62480, 72710, 74032, 87472, 92540, 93862, 101794, 109340, 116336, 145420, 185080, 187724, 203588, 218680, 234655, 254485, 290840, 328517, 370160, 375448, 407176, 437360, 469310, 508970, 516241, 581680, 657034, 750896, 814352, 938620, 1017940, 1032482, 1314068, 1642585, 1877240, 2035880, 2064964, 2581205, 2628136, 3285170, 3613687, 3754480, 4071760, 4129928, 5162410, 5256272, 6570340, 7227374, 8259856, 10324820, 13140680, 14454748, 18068435, 20649640, 26281360, 28909496, 36136870, 41299280, 57818992, 72273740, 144547480, 289094960]

約数ペア:

[(1, 289094960), (2, 144547480), (4, 72273740), (5, 57818992), (7, 41299280), (8, 36136870), (10, 28909496), (11, 26281360), (14, 20649640), (16, 18068435), (20, 14454748), (22, 13140680), (28, 10324820), (35, 8259856), (40, 7227374), (44, 6570340), (55, 5256272), (56, 5162410), (70, 4129928), (71, 4071760), (77, 3754480), (80, 3613687), (88, 3285170), (110, 2628136), (112, 2581205), (140, 2064964), (142, 2035880), (154, 1877240), (176, 1642585), (220, 1314068), (280, 1032482), (284, 1017940), (308, 938620), (355, 814352), (385, 750896), (440, 657034), (497, 581680), (560, 516241), (568, 508970), (616, 469310), (661, 437360), (710, 407176), (770, 375448), (781, 370160), (880, 328517), (994, 290840), (1136, 254485), (1232, 234655), (1322, 218680), (1420, 203588), (1540, 187724), (1562, 185080), (1988, 145420), (2485, 116336), (2644, 109340), (2840, 101794), (3080, 93862), (3124, 92540), (3305, 87472), (3905, 74032), (3976, 72710), (4627, 62480), (4970, 58168), (5288, 54670), (5467, 52880), (5680, 50897), (6160, 46931), (6248, 46270), (6610, 43736), (7271, 39760), (7810, 37016), (7952, 36355), (9254, 31240), (9940, 29084), (10576, 27335), (10934, 26440), (12496, 23135), (13220, 21868), (14542, 19880), (15620, 18508)]