4815140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 11309760

約数和(自身を除く): 6494620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 509, 860, 946, 1018, 1892, 2036, 2365, 2545, 4730, 5090, 5599, 9460, 10180, 11198, 21887, 22396, 27995, 43774, 55990, 87548, 109435, 111980, 218870, 240757, 437740, 481514, 963028, 1203785, 2407570, 4815140]

約数ペア:

[(1, 4815140), (2, 2407570), (4, 1203785), (5, 963028), (10, 481514), (11, 437740), (20, 240757), (22, 218870), (43, 111980), (44, 109435), (55, 87548), (86, 55990), (110, 43774), (172, 27995), (215, 22396), (220, 21887), (430, 11198), (473, 10180), (509, 9460), (860, 5599), (946, 5090), (1018, 4730), (1892, 2545), (2036, 2365)]