27500004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 84913920

約数和(自身を除く): 57413916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 53, 58, 63, 71, 84, 87, 106, 116, 126, 142, 159, 174, 203, 212, 213, 252, 261, 284, 318, 348, 371, 406, 426, 477, 497, 522, 609, 636, 639, 742, 812, 852, 954, 994, 1044, 1113, 1218, 1278, 1484, 1491, 1537, 1827, 1908, 1988, 2059, 2226, 2436, 2556, 2982, 3074, 3339, 3654, 3763, 4118, 4452, 4473, 4611, 5964, 6148, 6177, 6678, 7308, 7526, 8236, 8946, 9222, 10759, 11289, 12354, 13356, 13833, 14413, 15052, 17892, 18444, 18531, 21518, 22578, 24708, 26341, 27666, 28826, 32277, 33867, 37062, 43036, 43239, 45156, 52682, 55332, 57652, 64554, 67734, 74124, 79023, 86478, 96831, 105364, 109127, 129108, 129717, 135468, 158046, 172956, 193662, 218254, 237069, 259434, 316092, 327381, 387324, 436508, 474138, 518868, 654762, 763889, 948276, 982143, 1309524, 1527778, 1964286, 2291667, 3055556, 3928572, 4583334, 6875001, 9166668, 13750002, 27500004]

約数ペア:

[(1, 27500004), (2, 13750002), (3, 9166668), (4, 6875001), (6, 4583334), (7, 3928572), (9, 3055556), (12, 2291667), (14, 1964286), (18, 1527778), (21, 1309524), (28, 982143), (29, 948276), (36, 763889), (42, 654762), (53, 518868), (58, 474138), (63, 436508), (71, 387324), (84, 327381), (87, 316092), (106, 259434), (116, 237069), (126, 218254), (142, 193662), (159, 172956), (174, 158046), (203, 135468), (212, 129717), (213, 129108), (252, 109127), (261, 105364), (284, 96831), (318, 86478), (348, 79023), (371, 74124), (406, 67734), (426, 64554), (477, 57652), (497, 55332), (522, 52682), (609, 45156), (636, 43239), (639, 43036), (742, 37062), (812, 33867), (852, 32277), (954, 28826), (994, 27666), (1044, 26341), (1113, 24708), (1218, 22578), (1278, 21518), (1484, 18531), (1491, 18444), (1537, 17892), (1827, 15052), (1908, 14413), (1988, 13833), (2059, 13356), (2226, 12354), (2436, 11289), (2556, 10759), (2982, 9222), (3074, 8946), (3339, 8236), (3654, 7526), (3763, 7308), (4118, 6678), (4452, 6177), (4473, 6148), (4611, 5964)]