890448730

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2070811}}^1$

素因数の和:2070861

約数の個数: 16

約数和(自身を含む): 1640083104

約数和(自身を除く): 749634374

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 2070811, 4141622, 10354055, 20708110, 89044873, 178089746, 445224365, 890448730]

約数ペア:

[(1, 890448730), (2, 445224365), (5, 178089746), (10, 89044873), (43, 20708110), (86, 10354055), (215, 4141622), (430, 2070811)]