40666668

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 120121344

約数和(自身を除く): 79454676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 31, 42, 46, 49, 62, 69, 84, 92, 93, 97, 98, 124, 138, 147, 161, 186, 194, 196, 217, 276, 291, 294, 322, 372, 388, 434, 483, 582, 588, 644, 651, 679, 713, 868, 966, 1127, 1164, 1302, 1358, 1426, 1519, 1932, 2037, 2139, 2231, 2254, 2604, 2716, 2852, 3007, 3038, 3381, 4074, 4278, 4462, 4508, 4557, 4753, 4991, 6014, 6076, 6693, 6762, 8148, 8556, 8924, 9021, 9114, 9506, 9982, 12028, 13386, 13524, 14259, 14973, 15617, 18042, 18228, 19012, 19964, 21049, 26772, 28518, 29946, 31234, 34937, 36084, 42098, 46851, 57036, 59892, 62468, 63147, 69161, 69874, 84196, 93702, 104811, 109319, 126294, 138322, 139748, 147343, 187404, 207483, 209622, 218638, 252588, 276644, 294686, 327957, 414966, 419244, 437276, 442029, 484127, 589372, 655914, 829932, 884058, 968254, 1311828, 1452381, 1768116, 1936508, 2904762, 3388889, 5809524, 6777778, 10166667, 13555556, 20333334, 40666668]

約数ペア:

[(1, 40666668), (2, 20333334), (3, 13555556), (4, 10166667), (6, 6777778), (7, 5809524), (12, 3388889), (14, 2904762), (21, 1936508), (23, 1768116), (28, 1452381), (31, 1311828), (42, 968254), (46, 884058), (49, 829932), (62, 655914), (69, 589372), (84, 484127), (92, 442029), (93, 437276), (97, 419244), (98, 414966), (124, 327957), (138, 294686), (147, 276644), (161, 252588), (186, 218638), (194, 209622), (196, 207483), (217, 187404), (276, 147343), (291, 139748), (294, 138322), (322, 126294), (372, 109319), (388, 104811), (434, 93702), (483, 84196), (582, 69874), (588, 69161), (644, 63147), (651, 62468), (679, 59892), (713, 57036), (868, 46851), (966, 42098), (1127, 36084), (1164, 34937), (1302, 31234), (1358, 29946), (1426, 28518), (1519, 26772), (1932, 21049), (2037, 19964), (2139, 19012), (2231, 18228), (2254, 18042), (2604, 15617), (2716, 14973), (2852, 14259), (3007, 13524), (3038, 13386), (3381, 12028), (4074, 9982), (4278, 9506), (4462, 9114), (4508, 9021), (4557, 8924), (4753, 8556), (4991, 8148), (6014, 6762), (6076, 6693)]