9085900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2170

約数の個数: 36

約数和(自身を含む): 20184472

約数和(自身を除く): 11098572

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2113, 2150, 4226, 4300, 8452, 10565, 21130, 42260, 52825, 90859, 105650, 181718, 211300, 363436, 454295, 908590, 1817180, 2271475, 4542950, 9085900]

約数ペア:

[(1, 9085900), (2, 4542950), (4, 2271475), (5, 1817180), (10, 908590), (20, 454295), (25, 363436), (43, 211300), (50, 181718), (86, 105650), (100, 90859), (172, 52825), (215, 42260), (430, 21130), (860, 10565), (1075, 8452), (2113, 4300), (2150, 4226)]