538448540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{16943}}^1$

素因数の和:17186

約数の個数: 48

約数和(自身を含む): 1298045952

約数和(自身を除く): 759597412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 3178, 4540, 6356, 7945, 15890, 16943, 31780, 33886, 67772, 84715, 118601, 169430, 237202, 338860, 474404, 593005, 1186010, 2372020, 3846061, 7692122, 15384244, 19230305, 26922427, 38460610, 53844854, 76921220, 107689708, 134612135, 269224270, 538448540]

約数ペア:

[(1, 538448540), (2, 269224270), (4, 134612135), (5, 107689708), (7, 76921220), (10, 53844854), (14, 38460610), (20, 26922427), (28, 19230305), (35, 15384244), (70, 7692122), (140, 3846061), (227, 2372020), (454, 1186010), (908, 593005), (1135, 474404), (1589, 338860), (2270, 237202), (3178, 169430), (4540, 118601), (6356, 84715), (7945, 67772), (15890, 33886), (16943, 31780)]