140666344

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 350945280

約数和(自身を除く): 210278936

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 31, 46, 52, 56, 62, 91, 92, 104, 124, 161, 182, 184, 217, 248, 271, 299, 322, 364, 403, 434, 542, 598, 644, 713, 728, 806, 868, 1084, 1196, 1288, 1426, 1612, 1736, 1897, 2093, 2168, 2392, 2821, 2852, 3224, 3523, 3794, 4186, 4991, 5642, 5704, 6233, 7046, 7588, 8372, 8401, 9269, 9982, 11284, 12466, 14092, 15176, 16744, 16802, 18538, 19964, 22568, 24661, 24932, 28184, 33604, 37076, 39928, 43631, 49322, 49864, 58807, 64883, 67208, 74152, 81029, 87262, 98644, 109213, 117614, 129766, 162058, 174524, 193223, 197288, 218426, 235228, 259532, 324116, 349048, 386446, 436852, 470456, 519064, 567203, 648232, 764491, 772892, 873704, 1134406, 1352561, 1528982, 1545784, 2268812, 2511899, 2705122, 3057964, 4537624, 5023798, 5410244, 6115928, 10047596, 10820488, 17583293, 20095192, 35166586, 70333172, 140666344]

約数ペア:

[(1, 140666344), (2, 70333172), (4, 35166586), (7, 20095192), (8, 17583293), (13, 10820488), (14, 10047596), (23, 6115928), (26, 5410244), (28, 5023798), (31, 4537624), (46, 3057964), (52, 2705122), (56, 2511899), (62, 2268812), (91, 1545784), (92, 1528982), (104, 1352561), (124, 1134406), (161, 873704), (182, 772892), (184, 764491), (217, 648232), (248, 567203), (271, 519064), (299, 470456), (322, 436852), (364, 386446), (403, 349048), (434, 324116), (542, 259532), (598, 235228), (644, 218426), (713, 197288), (728, 193223), (806, 174524), (868, 162058), (1084, 129766), (1196, 117614), (1288, 109213), (1426, 98644), (1612, 87262), (1736, 81029), (1897, 74152), (2093, 67208), (2168, 64883), (2392, 58807), (2821, 49864), (2852, 49322), (3224, 43631), (3523, 39928), (3794, 37076), (4186, 33604), (4991, 28184), (5642, 24932), (5704, 24661), (6233, 22568), (7046, 19964), (7588, 18538), (8372, 16802), (8401, 16744), (9269, 15176), (9982, 14092), (11284, 12466)]