30918140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{449}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 71215200

約数和(自身を除く): 40297060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 313, 449, 626, 898, 1252, 1565, 1796, 2245, 3130, 3443, 4490, 4939, 6260, 6886, 8980, 9878, 13772, 17215, 19756, 24695, 34430, 49390, 68860, 98780, 140537, 281074, 562148, 702685, 1405370, 1545907, 2810740, 3091814, 6183628, 7729535, 15459070, 30918140]

約数ペア:

[(1, 30918140), (2, 15459070), (4, 7729535), (5, 6183628), (10, 3091814), (11, 2810740), (20, 1545907), (22, 1405370), (44, 702685), (55, 562148), (110, 281074), (220, 140537), (313, 98780), (449, 68860), (626, 49390), (898, 34430), (1252, 24695), (1565, 19756), (1796, 17215), (2245, 13772), (3130, 9878), (3443, 8980), (4490, 6886), (4939, 6260)]