201666980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{142019}}^1$

素因数の和:142099

約数の個数: 24

約数和(自身を含む): 429468480

約数和(自身を除く): 227801500

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 142019, 284038, 568076, 710095, 1420190, 2840380, 10083349, 20166698, 40333396, 50416745, 100833490, 201666980]

約数ペア:

[(1, 201666980), (2, 100833490), (4, 50416745), (5, 40333396), (10, 20166698), (20, 10083349), (71, 2840380), (142, 1420190), (284, 710095), (355, 568076), (710, 284038), (1420, 142019)]