390196261010

素因数分解:

$2^1\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{18750421}}^1$

素因数の和:18752509

約数の個数: 16

約数和(自身を含む): 702690814872

約数和(自身を除く): 312494553862

約数列:

[1, 2, 5, 10, 2081, 4162, 10405, 20810, 18750421, 37500842, 93752105, 187504210, 39019626101, 78039252202, 195098130505, 390196261010]

約数ペア:

[(1, 390196261010), (2, 195098130505), (5, 78039252202), (10, 39019626101), (2081, 187504210), (4162, 93752105), (10405, 37500842), (20810, 18750421)]