29916820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{809}}^1$

素因数の和:904

約数の個数: 36

約数和(自身を含む): 64399860

約数和(自身を除く): 34483040

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 809, 860, 1618, 1849, 3236, 3698, 4045, 7396, 8090, 9245, 16180, 18490, 34787, 36980, 69574, 139148, 173935, 347870, 695740, 1495841, 2991682, 5983364, 7479205, 14958410, 29916820]

約数ペア:

[(1, 29916820), (2, 14958410), (4, 7479205), (5, 5983364), (10, 2991682), (20, 1495841), (43, 695740), (86, 347870), (172, 173935), (215, 139148), (430, 69574), (809, 36980), (860, 34787), (1618, 18490), (1849, 16180), (3236, 9245), (3698, 8090), (4045, 7396)]