1980068780

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{280463}}^1$

素因数の和:280825

約数の個数: 24

約数和(自身を含む): 4169938752

約数和(自身を除く): 2189869972

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 280463, 560926, 1121852, 1402315, 2804630, 5609260, 99003439, 198006878, 396013756, 495017195, 990034390, 1980068780]

約数ペア:

[(1, 1980068780), (2, 990034390), (4, 495017195), (5, 396013756), (10, 198006878), (20, 99003439), (353, 5609260), (706, 2804630), (1412, 1402315), (1765, 1121852), (3530, 560926), (7060, 280463)]