289870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 616896

約数和(自身を除く): 327026

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 101, 202, 205, 287, 410, 505, 574, 707, 1010, 1414, 1435, 2870, 3535, 4141, 7070, 8282, 20705, 28987, 41410, 57974, 144935, 289870]

約数ペア:

[(1, 289870), (2, 144935), (5, 57974), (7, 41410), (10, 28987), (14, 20705), (35, 8282), (41, 7070), (70, 4141), (82, 3535), (101, 2870), (202, 1435), (205, 1414), (287, 1010), (410, 707), (505, 574)]