210008540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1500061}}^1$

素因数の和:1500077

約数の個数: 24

約数和(自身を含む): 504020832

約数和(自身を除く): 294012292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1500061, 3000122, 6000244, 7500305, 10500427, 15000610, 21000854, 30001220, 42001708, 52502135, 105004270, 210008540]

約数ペア:

[(1, 210008540), (2, 105004270), (4, 52502135), (5, 42001708), (7, 30001220), (10, 21000854), (14, 15000610), (20, 10500427), (28, 7500305), (35, 6000244), (70, 3000122), (140, 1500061)]