30061220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{214723}}^1$

素因数の和:214739

約数の個数: 24

約数和(自身を含む): 72147264

約数和(自身を除く): 42086044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 214723, 429446, 858892, 1073615, 1503061, 2147230, 3006122, 4294460, 6012244, 7515305, 15030610, 30061220]

約数ペア:

[(1, 30061220), (2, 15030610), (4, 7515305), (5, 6012244), (7, 4294460), (10, 3006122), (14, 2147230), (20, 1503061), (28, 1073615), (35, 858892), (70, 429446), (140, 214723)]