31079180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{141269}}^1$

素因数の和:141289

約数の個数: 24

約数和(自身を含む): 71200080

約数和(自身を除く): 40120900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 141269, 282538, 565076, 706345, 1412690, 1553959, 2825380, 3107918, 6215836, 7769795, 15539590, 31079180]

約数ペア:

[(1, 31079180), (2, 15539590), (4, 7769795), (5, 6215836), (10, 3107918), (11, 2825380), (20, 1553959), (22, 1412690), (44, 706345), (55, 565076), (110, 282538), (220, 141269)]