30212620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13859}}^1$

素因数の和:13977

約数の個数: 24

約数和(自身を含む): 64033200

約数和(自身を除く): 33820580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 13859, 27718, 55436, 69295, 138590, 277180, 1510631, 3021262, 6042524, 7553155, 15106310, 30212620]

約数ペア:

[(1, 30212620), (2, 15106310), (4, 7553155), (5, 6042524), (10, 3021262), (20, 1510631), (109, 277180), (218, 138590), (436, 69295), (545, 55436), (1090, 27718), (2180, 13859)]