220194220

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{35401}}^1$

素因数の和:35721

約数の個数: 24

約数和(自身を含む): 463907808

約数和(自身を除く): 243713588

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 35401, 70802, 141604, 177005, 354010, 708020, 11009711, 22019422, 44038844, 55048555, 110097110, 220194220]

約数ペア:

[(1, 220194220), (2, 110097110), (4, 55048555), (5, 44038844), (10, 22019422), (20, 11009711), (311, 708020), (622, 354010), (1244, 177005), (1555, 141604), (3110, 70802), (6220, 35401)]