255400418

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 540546048

約数和(自身を除く): 285145630

約数列:

[1, 2, 7, 13, 14, 17, 23, 26, 34, 37, 46, 74, 91, 97, 119, 161, 182, 194, 221, 238, 259, 299, 322, 391, 442, 481, 518, 598, 629, 679, 782, 851, 962, 1258, 1261, 1358, 1547, 1649, 1702, 2093, 2231, 2522, 2737, 3094, 3298, 3367, 3589, 4186, 4403, 4462, 5083, 5474, 5957, 6734, 7178, 8177, 8806, 8827, 10166, 11063, 11543, 11914, 14467, 15617, 16354, 17654, 21437, 22126, 23086, 25123, 28934, 29003, 31234, 35581, 37927, 42874, 46657, 50246, 57239, 58006, 61013, 71162, 75854, 77441, 82547, 93314, 101269, 114478, 122026, 150059, 154882, 165094, 188071, 202538, 203021, 265489, 300118, 326599, 376142, 406042, 427091, 493051, 530978, 577829, 653198, 793169, 854182, 986102, 1073111, 1155658, 1316497, 1403299, 1586338, 2146222, 2632994, 2806598, 3451357, 5552183, 6902714, 7511777, 9823093, 11104366, 15023554, 18242887, 19646186, 36485774, 127700209, 255400418]

約数ペア:

[(1, 255400418), (2, 127700209), (7, 36485774), (13, 19646186), (14, 18242887), (17, 15023554), (23, 11104366), (26, 9823093), (34, 7511777), (37, 6902714), (46, 5552183), (74, 3451357), (91, 2806598), (97, 2632994), (119, 2146222), (161, 1586338), (182, 1403299), (194, 1316497), (221, 1155658), (238, 1073111), (259, 986102), (299, 854182), (322, 793169), (391, 653198), (442, 577829), (481, 530978), (518, 493051), (598, 427091), (629, 406042), (679, 376142), (782, 326599), (851, 300118), (962, 265489), (1258, 203021), (1261, 202538), (1358, 188071), (1547, 165094), (1649, 154882), (1702, 150059), (2093, 122026), (2231, 114478), (2522, 101269), (2737, 93314), (3094, 82547), (3298, 77441), (3367, 75854), (3589, 71162), (4186, 61013), (4403, 58006), (4462, 57239), (5083, 50246), (5474, 46657), (5957, 42874), (6734, 37927), (7178, 35581), (8177, 31234), (8806, 29003), (8827, 28934), (10166, 25123), (11063, 23086), (11543, 22126), (11914, 21437), (14467, 17654), (15617, 16354)]