228257540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1630411}}^1$

素因数の和:1630427

約数の個数: 24

約数和(自身を含む): 547818432

約数和(自身を除く): 319560892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1630411, 3260822, 6521644, 8152055, 11412877, 16304110, 22825754, 32608220, 45651508, 57064385, 114128770, 228257540]

約数ペア:

[(1, 228257540), (2, 114128770), (4, 57064385), (5, 45651508), (7, 32608220), (10, 22825754), (14, 16304110), (20, 11412877), (28, 8152055), (35, 6521644), (70, 3260822), (140, 1630411)]