289502020

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{29723}}^1$

素因数の和:30219

約数の個数: 24

約数和(自身を含む): 609223104

約数和(自身を除く): 319721084

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 29723, 59446, 118892, 148615, 297230, 594460, 14475101, 28950202, 57900404, 72375505, 144751010, 289502020]

約数ペア:

[(1, 289502020), (2, 144751010), (4, 72375505), (5, 57900404), (10, 28950202), (20, 14475101), (487, 594460), (974, 297230), (1948, 148615), (2435, 118892), (4870, 59446), (9740, 29723)]