214228280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18661}}^1$

素因数の和:18720

約数の個数: 64

約数和(自身を含む): 564338880

約数和(自身を除く): 350110600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 18661, 37322, 74644, 93305, 130627, 149288, 186610, 261254, 373220, 522508, 653135, 746440, 765101, 1045016, 1306270, 1530202, 2612540, 3060404, 3825505, 5225080, 5355707, 6120808, 7651010, 10711414, 15302020, 21422828, 26778535, 30604040, 42845656, 53557070, 107114140, 214228280]

約数ペア:

[(1, 214228280), (2, 107114140), (4, 53557070), (5, 42845656), (7, 30604040), (8, 26778535), (10, 21422828), (14, 15302020), (20, 10711414), (28, 7651010), (35, 6120808), (40, 5355707), (41, 5225080), (56, 3825505), (70, 3060404), (82, 2612540), (140, 1530202), (164, 1306270), (205, 1045016), (280, 765101), (287, 746440), (328, 653135), (410, 522508), (574, 373220), (820, 261254), (1148, 186610), (1435, 149288), (1640, 130627), (2296, 93305), (2870, 74644), (5740, 37322), (11480, 18661)]