331318220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{720257}}^1$

素因数の和:720289

約数の個数: 24

約数和(自身を含む): 726020064

約数和(自身を除く): 394701844

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 720257, 1440514, 2881028, 3601285, 7202570, 14405140, 16565911, 33131822, 66263644, 82829555, 165659110, 331318220]

約数ペア:

[(1, 331318220), (2, 165659110), (4, 82829555), (5, 66263644), (10, 33131822), (20, 16565911), (23, 14405140), (46, 7202570), (92, 3601285), (115, 2881028), (230, 1440514), (460, 720257)]