89806220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{91639}}^1$

素因数の和:91662

約数の個数: 36

約数和(自身を含む): 219386160

約数和(自身を除く): 129579940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 91639, 183278, 366556, 458195, 641473, 916390, 1282946, 1832780, 2565892, 3207365, 4490311, 6414730, 8980622, 12829460, 17961244, 22451555, 44903110, 89806220]

約数ペア:

[(1, 89806220), (2, 44903110), (4, 22451555), (5, 17961244), (7, 12829460), (10, 8980622), (14, 6414730), (20, 4490311), (28, 3207365), (35, 2565892), (49, 1832780), (70, 1282946), (98, 916390), (140, 641473), (196, 458195), (245, 366556), (490, 183278), (980, 91639)]