380804598220

素因数分解:

$2^2\times 5^1\times {\mathrm{68743}}^1\times {\mathrm{276977}}^1$

素因数の和:345729

約数の個数: 24

約数和(自身を含む): 799704176544

約数和(自身を除く): 418899578324

約数列:

[1, 2, 4, 5, 10, 20, 68743, 137486, 274972, 276977, 343715, 553954, 687430, 1107908, 1374860, 1384885, 2769770, 5539540, 19040229911, 38080459822, 76160919644, 95201149555, 190402299110, 380804598220]

約数ペア:

[(1, 380804598220), (2, 190402299110), (4, 95201149555), (5, 76160919644), (10, 38080459822), (20, 19040229911), (68743, 5539540), (137486, 2769770), (274972, 1384885), (276977, 1374860), (343715, 1107908), (553954, 687430)]