678049180

素因数分解:

$2^2\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{27407}}^1$

素因数の和:28653

約数の個数: 24

約数和(自身を含む): 1425106368

約数和(自身を除く): 747057188

約数列:

[1, 2, 4, 5, 10, 20, 1237, 2474, 4948, 6185, 12370, 24740, 27407, 54814, 109628, 137035, 274070, 548140, 33902459, 67804918, 135609836, 169512295, 339024590, 678049180]

約数ペア:

[(1, 678049180), (2, 339024590), (4, 169512295), (5, 135609836), (10, 67804918), (20, 33902459), (1237, 548140), (2474, 274070), (4948, 137035), (6185, 109628), (12370, 54814), (24740, 27407)]