30948860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17387}}^1$

素因数の和:17485

約数の個数: 24

約数和(自身を含む): 65726640

約数和(自身を除く): 34777780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 17387, 34774, 69548, 86935, 173870, 347740, 1547443, 3094886, 6189772, 7737215, 15474430, 30948860]

約数ペア:

[(1, 30948860), (2, 15474430), (4, 7737215), (5, 6189772), (10, 3094886), (20, 1547443), (89, 347740), (178, 173870), (356, 86935), (445, 69548), (890, 34774), (1780, 17387)]