1398028540

素因数分解:

$2^2\times 5^1\times {\mathrm{69901427}}^1$

素因数の和:69901436

約数の個数: 12

約数和(自身を含む): 2935859976

約数和(自身を除く): 1537831436

約数列:

[1, 2, 4, 5, 10, 20, 69901427, 139802854, 279605708, 349507135, 699014270, 1398028540]

約数ペア:

[(1, 1398028540), (2, 699014270), (4, 349507135), (5, 279605708), (10, 139802854), (20, 69901427)]