229520780

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{27259}}^1$

素因数の和:27689

約数の個数: 24

約数和(自身を含む): 483156240

約数和(自身を除く): 253635460

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 27259, 54518, 109036, 136295, 272590, 545180, 11476039, 22952078, 45904156, 57380195, 114760390, 229520780]

約数ペア:

[(1, 229520780), (2, 114760390), (4, 57380195), (5, 45904156), (10, 22952078), (20, 11476039), (421, 545180), (842, 272590), (1684, 136295), (2105, 109036), (4210, 54518), (8420, 27259)]