315042020

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{17291}}^1$

素因数の和:18211

約数の個数: 24

約数和(自身を含む): 662352768

約数和(自身を除く): 347310748

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4555, 9110, 17291, 18220, 34582, 69164, 86455, 172910, 345820, 15752101, 31504202, 63008404, 78760505, 157521010, 315042020]

約数ペア:

[(1, 315042020), (2, 157521010), (4, 78760505), (5, 63008404), (10, 31504202), (20, 15752101), (911, 345820), (1822, 172910), (3644, 86455), (4555, 69164), (9110, 34582), (17291, 18220)]