205427992

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 507623760

約数和(自身を除く): 302195768

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 61, 71, 77, 88, 98, 121, 122, 142, 154, 196, 242, 244, 284, 308, 392, 427, 484, 488, 497, 539, 568, 616, 671, 781, 847, 854, 968, 994, 1078, 1342, 1562, 1694, 1708, 1988, 2156, 2684, 2989, 3124, 3388, 3416, 3479, 3976, 4312, 4331, 4697, 5368, 5467, 5929, 5978, 6248, 6776, 6958, 7381, 8591, 8662, 9394, 10934, 11858, 11956, 13916, 14762, 17182, 17324, 18788, 21868, 23716, 23912, 27832, 29524, 30317, 32879, 34364, 34648, 37576, 38269, 43736, 47432, 47641, 51667, 59048, 60137, 60634, 65758, 68728, 76538, 95282, 103334, 120274, 121268, 131516, 153076, 190564, 206668, 212219, 240548, 242536, 263032, 306152, 333487, 361669, 381128, 413336, 420959, 424438, 481096, 524051, 666974, 723338, 841918, 848876, 1048102, 1333948, 1446676, 1683836, 1697752, 2096204, 2334409, 2667896, 2893352, 3367672, 3668357, 4192408, 4668818, 7336714, 9337636, 14673428, 18675272, 25678499, 29346856, 51356998, 102713996, 205427992]

約数ペア:

[(1, 205427992), (2, 102713996), (4, 51356998), (7, 29346856), (8, 25678499), (11, 18675272), (14, 14673428), (22, 9337636), (28, 7336714), (44, 4668818), (49, 4192408), (56, 3668357), (61, 3367672), (71, 2893352), (77, 2667896), (88, 2334409), (98, 2096204), (121, 1697752), (122, 1683836), (142, 1446676), (154, 1333948), (196, 1048102), (242, 848876), (244, 841918), (284, 723338), (308, 666974), (392, 524051), (427, 481096), (484, 424438), (488, 420959), (497, 413336), (539, 381128), (568, 361669), (616, 333487), (671, 306152), (781, 263032), (847, 242536), (854, 240548), (968, 212219), (994, 206668), (1078, 190564), (1342, 153076), (1562, 131516), (1694, 121268), (1708, 120274), (1988, 103334), (2156, 95282), (2684, 76538), (2989, 68728), (3124, 65758), (3388, 60634), (3416, 60137), (3479, 59048), (3976, 51667), (4312, 47641), (4331, 47432), (4697, 43736), (5368, 38269), (5467, 37576), (5929, 34648), (5978, 34364), (6248, 32879), (6776, 30317), (6958, 29524), (7381, 27832), (8591, 23912), (8662, 23716), (9394, 21868), (10934, 18788), (11858, 17324), (11956, 17182), (13916, 14762)]