268492840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:695

約数の個数: 128

約数和(自身を含む): 758937600

約数和(自身を除く): 490444760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 179, 220, 280, 308, 358, 385, 440, 487, 616, 716, 770, 895, 974, 1253, 1432, 1540, 1790, 1948, 1969, 2435, 2506, 3080, 3409, 3580, 3896, 3938, 4870, 5012, 5357, 6265, 6818, 7160, 7876, 9740, 9845, 10024, 10714, 12530, 13636, 13783, 15752, 17045, 19480, 19690, 21428, 25060, 26785, 27272, 27566, 34090, 37499, 39380, 42856, 50120, 53570, 55132, 68180, 68915, 74998, 78760, 87173, 107140, 110264, 136360, 137830, 149996, 174346, 187495, 214280, 275660, 299992, 348692, 374990, 435865, 551320, 610211, 697384, 749980, 871730, 958903, 1220422, 1499960, 1743460, 1917806, 2440844, 3051055, 3486920, 3835612, 4794515, 4881688, 6102110, 6712321, 7671224, 9589030, 12204220, 13424642, 19178060, 24408440, 26849284, 33561605, 38356120, 53698568, 67123210, 134246420, 268492840]

約数ペア:

[(1, 268492840), (2, 134246420), (4, 67123210), (5, 53698568), (7, 38356120), (8, 33561605), (10, 26849284), (11, 24408440), (14, 19178060), (20, 13424642), (22, 12204220), (28, 9589030), (35, 7671224), (40, 6712321), (44, 6102110), (55, 4881688), (56, 4794515), (70, 3835612), (77, 3486920), (88, 3051055), (110, 2440844), (140, 1917806), (154, 1743460), (179, 1499960), (220, 1220422), (280, 958903), (308, 871730), (358, 749980), (385, 697384), (440, 610211), (487, 551320), (616, 435865), (716, 374990), (770, 348692), (895, 299992), (974, 275660), (1253, 214280), (1432, 187495), (1540, 174346), (1790, 149996), (1948, 137830), (1969, 136360), (2435, 110264), (2506, 107140), (3080, 87173), (3409, 78760), (3580, 74998), (3896, 68915), (3938, 68180), (4870, 55132), (5012, 53570), (5357, 50120), (6265, 42856), (6818, 39380), (7160, 37499), (7876, 34090), (9740, 27566), (9845, 27272), (10024, 26785), (10714, 25060), (12530, 21428), (13636, 19690), (13783, 19480), (15752, 17045)]