256547620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 635830272

約数和(自身を除く): 379282652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 127, 140, 188, 235, 254, 307, 329, 470, 508, 614, 635, 658, 889, 940, 1228, 1270, 1316, 1535, 1645, 1778, 2149, 2540, 3070, 3290, 3556, 4298, 4445, 5969, 6140, 6580, 8596, 8890, 10745, 11938, 14429, 17780, 21490, 23876, 28858, 29845, 38989, 41783, 42980, 57716, 59690, 72145, 77978, 83566, 101003, 119380, 144290, 155956, 167132, 194945, 202006, 208915, 272923, 288580, 389890, 404012, 417830, 505015, 545846, 779780, 835660, 1010030, 1091692, 1364615, 1832483, 2020060, 2729230, 3664966, 5458460, 7329932, 9162415, 12827381, 18324830, 25654762, 36649660, 51309524, 64136905, 128273810, 256547620]

約数ペア:

[(1, 256547620), (2, 128273810), (4, 64136905), (5, 51309524), (7, 36649660), (10, 25654762), (14, 18324830), (20, 12827381), (28, 9162415), (35, 7329932), (47, 5458460), (70, 3664966), (94, 2729230), (127, 2020060), (140, 1832483), (188, 1364615), (235, 1091692), (254, 1010030), (307, 835660), (329, 779780), (470, 545846), (508, 505015), (614, 417830), (635, 404012), (658, 389890), (889, 288580), (940, 272923), (1228, 208915), (1270, 202006), (1316, 194945), (1535, 167132), (1645, 155956), (1778, 144290), (2149, 119380), (2540, 101003), (3070, 83566), (3290, 77978), (3556, 72145), (4298, 59690), (4445, 57716), (5969, 42980), (6140, 41783), (6580, 38989), (8596, 29845), (8890, 28858), (10745, 23876), (11938, 21490), (14429, 17780)]