303020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 646800

約数和(自身を除く): 343780

約数列:

[1, 2, 4, 5, 10, 20, 109, 139, 218, 278, 436, 545, 556, 695, 1090, 1390, 2180, 2780, 15151, 30302, 60604, 75755, 151510, 303020]

約数ペア:

[(1, 303020), (2, 151510), (4, 75755), (5, 60604), (10, 30302), (20, 15151), (109, 2780), (139, 2180), (218, 1390), (278, 1090), (436, 695), (545, 556)]