285466280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1009}}^1$

素因数の和:1674

約数の個数: 64

約数和(自身を含む): 702475200

約数和(自身を除く): 417008920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 643, 1009, 1286, 2018, 2572, 3215, 4036, 5045, 5144, 6430, 7073, 8072, 10090, 11099, 12860, 14146, 20180, 22198, 25720, 28292, 35365, 40360, 44396, 55495, 56584, 70730, 88792, 110990, 141460, 221980, 282920, 443960, 648787, 1297574, 2595148, 3243935, 5190296, 6487870, 7136657, 12975740, 14273314, 25951480, 28546628, 35683285, 57093256, 71366570, 142733140, 285466280]

約数ペア:

[(1, 285466280), (2, 142733140), (4, 71366570), (5, 57093256), (8, 35683285), (10, 28546628), (11, 25951480), (20, 14273314), (22, 12975740), (40, 7136657), (44, 6487870), (55, 5190296), (88, 3243935), (110, 2595148), (220, 1297574), (440, 648787), (643, 443960), (1009, 282920), (1286, 221980), (2018, 141460), (2572, 110990), (3215, 88792), (4036, 70730), (5045, 56584), (5144, 55495), (6430, 44396), (7073, 40360), (8072, 35365), (10090, 28292), (11099, 25720), (12860, 22198), (14146, 20180)]