256148676

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:623

約数の個数: 144

約数和(自身を含む): 782040000

約数和(自身を除く): 525891324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 97, 98, 108, 126, 147, 189, 194, 196, 252, 291, 294, 378, 388, 441, 499, 582, 588, 679, 756, 873, 882, 998, 1164, 1323, 1358, 1497, 1746, 1764, 1996, 2037, 2619, 2646, 2716, 2994, 3492, 3493, 4074, 4491, 4753, 5238, 5292, 5988, 6111, 6986, 8148, 8982, 9506, 10476, 10479, 12222, 13473, 13972, 14259, 17964, 18333, 19012, 20958, 24444, 24451, 26946, 28518, 31437, 36666, 41916, 42777, 48403, 48902, 53892, 57036, 62874, 73332, 73353, 85554, 94311, 96806, 97804, 125748, 128331, 145209, 146706, 171108, 188622, 193612, 220059, 256662, 290418, 293412, 338821, 377244, 435627, 440118, 513324, 580836, 660177, 677642, 871254, 880236, 1016463, 1306881, 1320354, 1355284, 1742508, 2032926, 2371747, 2613762, 2640708, 3049389, 4065852, 4743494, 5227524, 6098778, 7115241, 9148167, 9486988, 12197556, 14230482, 18296334, 21345723, 28460964, 36592668, 42691446, 64037169, 85382892, 128074338, 256148676]

約数ペア:

[(1, 256148676), (2, 128074338), (3, 85382892), (4, 64037169), (6, 42691446), (7, 36592668), (9, 28460964), (12, 21345723), (14, 18296334), (18, 14230482), (21, 12197556), (27, 9486988), (28, 9148167), (36, 7115241), (42, 6098778), (49, 5227524), (54, 4743494), (63, 4065852), (84, 3049389), (97, 2640708), (98, 2613762), (108, 2371747), (126, 2032926), (147, 1742508), (189, 1355284), (194, 1320354), (196, 1306881), (252, 1016463), (291, 880236), (294, 871254), (378, 677642), (388, 660177), (441, 580836), (499, 513324), (582, 440118), (588, 435627), (679, 377244), (756, 338821), (873, 293412), (882, 290418), (998, 256662), (1164, 220059), (1323, 193612), (1358, 188622), (1497, 171108), (1746, 146706), (1764, 145209), (1996, 128331), (2037, 125748), (2619, 97804), (2646, 96806), (2716, 94311), (2994, 85554), (3492, 73353), (3493, 73332), (4074, 62874), (4491, 57036), (4753, 53892), (5238, 48902), (5292, 48403), (5988, 42777), (6111, 41916), (6986, 36666), (8148, 31437), (8982, 28518), (9506, 26946), (10476, 24451), (10479, 24444), (12222, 20958), (13473, 19012), (13972, 18333), (14259, 17964)]