142733140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1009}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 327821760

約数和(自身を除く): 185088620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 643, 1009, 1286, 2018, 2572, 3215, 4036, 5045, 6430, 7073, 10090, 11099, 12860, 14146, 20180, 22198, 28292, 35365, 44396, 55495, 70730, 110990, 141460, 221980, 648787, 1297574, 2595148, 3243935, 6487870, 7136657, 12975740, 14273314, 28546628, 35683285, 71366570, 142733140]

約数ペア:

[(1, 142733140), (2, 71366570), (4, 35683285), (5, 28546628), (10, 14273314), (11, 12975740), (20, 7136657), (22, 6487870), (44, 3243935), (55, 2595148), (110, 1297574), (220, 648787), (643, 221980), (1009, 141460), (1286, 110990), (2018, 70730), (2572, 55495), (3215, 44396), (4036, 35365), (5045, 28292), (6430, 22198), (7073, 20180), (10090, 14146), (11099, 12860)]