396784340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{422111}}^1$

素因数の和:422167

約数の個数: 24

約数和(自身を含む): 850977792

約数和(自身を除く): 454193452

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 422111, 844222, 1688444, 2110555, 4221110, 8442220, 19839217, 39678434, 79356868, 99196085, 198392170, 396784340]

約数ペア:

[(1, 396784340), (2, 198392170), (4, 99196085), (5, 79356868), (10, 39678434), (20, 19839217), (47, 8442220), (94, 4221110), (188, 2110555), (235, 1688444), (470, 844222), (940, 422111)]