408972140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{475549}}^1$

素因数の和:475601

約数の個数: 24

約数和(自身を含む): 878816400

約数和(自身を除く): 469844260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 475549, 951098, 1902196, 2377745, 4755490, 9510980, 20448607, 40897214, 81794428, 102243035, 204486070, 408972140]

約数ペア:

[(1, 408972140), (2, 204486070), (4, 102243035), (5, 81794428), (10, 40897214), (20, 20448607), (43, 9510980), (86, 4755490), (172, 2377745), (215, 1902196), (430, 951098), (860, 475549)]