211069780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{96821}}^1$

素因数の和:96939

約数の個数: 24

約数和(自身を含む): 447317640

約数和(自身を除く): 236247860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 96821, 193642, 387284, 484105, 968210, 1936420, 10553489, 21106978, 42213956, 52767445, 105534890, 211069780]

約数ペア:

[(1, 211069780), (2, 105534890), (4, 52767445), (5, 42213956), (10, 21106978), (20, 10553489), (109, 1936420), (218, 968210), (436, 484105), (545, 387284), (1090, 193642), (2180, 96821)]