890303390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2070473}}^1$

素因数の和:2070523

約数の個数: 16

約数和(自身を含む): 1639815408

約数和(自身を除く): 749512018

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 2070473, 4140946, 10352365, 20704730, 89030339, 178060678, 445151695, 890303390]

約数ペア:

[(1, 890303390), (2, 445151695), (5, 178060678), (10, 89030339), (43, 20704730), (86, 10352365), (215, 4140946), (430, 2070473)]