390236

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 871416

約数和(自身を除く): 481180

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 181, 196, 308, 362, 539, 724, 1078, 1267, 1991, 2156, 2534, 3982, 5068, 7964, 8869, 13937, 17738, 27874, 35476, 55748, 97559, 195118, 390236]

約数ペア:

[(1, 390236), (2, 195118), (4, 97559), (7, 55748), (11, 35476), (14, 27874), (22, 17738), (28, 13937), (44, 8869), (49, 7964), (77, 5068), (98, 3982), (154, 2534), (181, 2156), (196, 1991), (308, 1267), (362, 1078), (539, 724)]