256820004

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5569}}^1$

素因数の和:5650

約数の個数: 96

約数和(自身を含む): 773561600

約数和(自身を除く): 516741596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 61, 63, 84, 108, 122, 126, 183, 189, 244, 252, 366, 378, 427, 549, 732, 756, 854, 1098, 1281, 1647, 1708, 2196, 2562, 3294, 3843, 5124, 5569, 6588, 7686, 11138, 11529, 15372, 16707, 22276, 23058, 33414, 38983, 46116, 50121, 66828, 77966, 100242, 116949, 150363, 155932, 200484, 233898, 300726, 339709, 350847, 467796, 601452, 679418, 701694, 1019127, 1052541, 1358836, 1403388, 2038254, 2105082, 2377963, 3057381, 4076508, 4210164, 4755926, 6114762, 7133889, 9172143, 9511852, 12229524, 14267778, 18344286, 21401667, 28535556, 36688572, 42803334, 64205001, 85606668, 128410002, 256820004]

約数ペア:

[(1, 256820004), (2, 128410002), (3, 85606668), (4, 64205001), (6, 42803334), (7, 36688572), (9, 28535556), (12, 21401667), (14, 18344286), (18, 14267778), (21, 12229524), (27, 9511852), (28, 9172143), (36, 7133889), (42, 6114762), (54, 4755926), (61, 4210164), (63, 4076508), (84, 3057381), (108, 2377963), (122, 2105082), (126, 2038254), (183, 1403388), (189, 1358836), (244, 1052541), (252, 1019127), (366, 701694), (378, 679418), (427, 601452), (549, 467796), (732, 350847), (756, 339709), (854, 300726), (1098, 233898), (1281, 200484), (1647, 155932), (1708, 150363), (2196, 116949), (2562, 100242), (3294, 77966), (3843, 66828), (5124, 50121), (5569, 46116), (6588, 38983), (7686, 33414), (11138, 23058), (11529, 22276), (15372, 16707)]