450520420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3218003}}^1$

素因数の和:3218019

約数の個数: 24

約数和(自身を含む): 1081249344

約数和(自身を除く): 630728924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3218003, 6436006, 12872012, 16090015, 22526021, 32180030, 45052042, 64360060, 90104084, 112630105, 225260210, 450520420]

約数ペア:

[(1, 450520420), (2, 225260210), (4, 112630105), (5, 90104084), (7, 64360060), (10, 45052042), (14, 32180030), (20, 22526021), (28, 16090015), (35, 12872012), (70, 6436006), (140, 3218003)]