890346820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{94117}}^1$

素因数の和:94180

約数の個数: 48

約数和(自身を含む): 2087160768

約数和(自身を除く): 1196813948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 94117, 188234, 376468, 470585, 941170, 1035287, 1882340, 2070574, 4047031, 4141148, 5176435, 8094062, 10352870, 16188124, 20235155, 20705740, 40470310, 44517341, 80940620, 89034682, 178069364, 222586705, 445173410, 890346820]

約数ペア:

[(1, 890346820), (2, 445173410), (4, 222586705), (5, 178069364), (10, 89034682), (11, 80940620), (20, 44517341), (22, 40470310), (43, 20705740), (44, 20235155), (55, 16188124), (86, 10352870), (110, 8094062), (172, 5176435), (215, 4141148), (220, 4047031), (430, 2070574), (473, 1882340), (860, 1035287), (946, 941170), (1892, 470585), (2365, 376468), (4730, 188234), (9460, 94117)]