76786820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8117}}^1$

素因数の和:8180

約数の個数: 48

約数和(自身を含む): 180024768

約数和(自身を除く): 103237948

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, 8117, 9460, 16234, 32468, 40585, 81170, 89287, 162340, 178574, 349031, 357148, 446435, 698062, 892870, 1396124, 1745155, 1785740, 3490310, 3839341, 6980620, 7678682, 15357364, 19196705, 38393410, 76786820]

約数ペア:

[(1, 76786820), (2, 38393410), (4, 19196705), (5, 15357364), (10, 7678682), (11, 6980620), (20, 3839341), (22, 3490310), (43, 1785740), (44, 1745155), (55, 1396124), (86, 892870), (110, 698062), (172, 446435), (215, 357148), (220, 349031), (430, 178574), (473, 162340), (860, 89287), (946, 81170), (1892, 40585), (2365, 32468), (4730, 16234), (8117, 9460)]