249207728

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 180

約数和(自身を含む): 642990096

約数和(自身を除く): 393782368

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 44, 49, 56, 71, 74, 77, 88, 98, 112, 121, 142, 148, 154, 176, 196, 242, 259, 284, 296, 308, 392, 407, 484, 497, 518, 539, 568, 592, 616, 781, 784, 814, 847, 968, 994, 1036, 1078, 1136, 1232, 1562, 1628, 1694, 1813, 1936, 1988, 2072, 2156, 2627, 2849, 3124, 3256, 3388, 3479, 3626, 3976, 4144, 4312, 4477, 5254, 5467, 5698, 5929, 6248, 6512, 6776, 6958, 7252, 7952, 8591, 8624, 8954, 10508, 10934, 11396, 11858, 12496, 13552, 13916, 14504, 17182, 17908, 18389, 19943, 21016, 21868, 22792, 23716, 27832, 28897, 29008, 31339, 34364, 35816, 36778, 38269, 39886, 42032, 43736, 45584, 47432, 55664, 57794, 60137, 62678, 68728, 71632, 73556, 76538, 79772, 87472, 94864, 115588, 120274, 125356, 128723, 137456, 147112, 153076, 159544, 202279, 219373, 231176, 240548, 250712, 257446, 294224, 306152, 317867, 319088, 404558, 420959, 438746, 462352, 481096, 501424, 514892, 612304, 635734, 809116, 841918, 877492, 962192, 1029784, 1271468, 1415953, 1618232, 1683836, 1754984, 2059568, 2225069, 2542936, 2831906, 3236464, 3367672, 3509968, 4450138, 5085872, 5663812, 6735344, 8900276, 11327624, 15575483, 17800552, 22655248, 31150966, 35601104, 62301932, 124603864, 249207728]

約数ペア:

[(1, 249207728), (2, 124603864), (4, 62301932), (7, 35601104), (8, 31150966), (11, 22655248), (14, 17800552), (16, 15575483), (22, 11327624), (28, 8900276), (37, 6735344), (44, 5663812), (49, 5085872), (56, 4450138), (71, 3509968), (74, 3367672), (77, 3236464), (88, 2831906), (98, 2542936), (112, 2225069), (121, 2059568), (142, 1754984), (148, 1683836), (154, 1618232), (176, 1415953), (196, 1271468), (242, 1029784), (259, 962192), (284, 877492), (296, 841918), (308, 809116), (392, 635734), (407, 612304), (484, 514892), (497, 501424), (518, 481096), (539, 462352), (568, 438746), (592, 420959), (616, 404558), (781, 319088), (784, 317867), (814, 306152), (847, 294224), (968, 257446), (994, 250712), (1036, 240548), (1078, 231176), (1136, 219373), (1232, 202279), (1562, 159544), (1628, 153076), (1694, 147112), (1813, 137456), (1936, 128723), (1988, 125356), (2072, 120274), (2156, 115588), (2627, 94864), (2849, 87472), (3124, 79772), (3256, 76538), (3388, 73556), (3479, 71632), (3626, 68728), (3976, 62678), (4144, 60137), (4312, 57794), (4477, 55664), (5254, 47432), (5467, 45584), (5698, 43736), (5929, 42032), (6248, 39886), (6512, 38269), (6776, 36778), (6958, 35816), (7252, 34364), (7952, 31339), (8591, 29008), (8624, 28897), (8954, 27832), (10508, 23716), (10934, 22792), (11396, 21868), (11858, 21016), (12496, 19943), (13552, 18389), (13916, 17908), (14504, 17182)]