420989050

素因数分解:

$2^1\times 5^2\times {\mathrm{769}}^1\times {\mathrm{10949}}^1$

素因数の和:11730

約数の個数: 24

約数和(自身を含む): 784129500

約数和(自身を除く): 363140450

約数列:

[1, 2, 5, 10, 25, 50, 769, 1538, 3845, 7690, 10949, 19225, 21898, 38450, 54745, 109490, 273725, 547450, 8419781, 16839562, 42098905, 84197810, 210494525, 420989050]

約数ペア:

[(1, 420989050), (2, 210494525), (5, 84197810), (10, 42098905), (25, 16839562), (50, 8419781), (769, 547450), (1538, 273725), (3845, 109490), (7690, 54745), (10949, 38450), (19225, 21898)]