201671540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1440511}}^1$

素因数の和:1440527

約数の個数: 24

約数和(自身を含む): 484012032

約数和(自身を除く): 282340492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1440511, 2881022, 5762044, 7202555, 10083577, 14405110, 20167154, 28810220, 40334308, 50417885, 100835770, 201671540]

約数ペア:

[(1, 201671540), (2, 100835770), (4, 50417885), (5, 40334308), (7, 28810220), (10, 20167154), (14, 14405110), (20, 10083577), (28, 7202555), (35, 5762044), (70, 2881022), (140, 1440511)]