168545020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1203893}}^1$

素因数の和:1203909

約数の個数: 24

約数和(自身を含む): 404508384

約数和(自身を除く): 235963364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1203893, 2407786, 4815572, 6019465, 8427251, 12038930, 16854502, 24077860, 33709004, 42136255, 84272510, 168545020]

約数ペア:

[(1, 168545020), (2, 84272510), (4, 42136255), (5, 33709004), (7, 24077860), (10, 16854502), (14, 12038930), (20, 8427251), (28, 6019465), (35, 4815572), (70, 2407786), (140, 1203893)]