138435550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{251701}}^1$

素因数の和:251724

約数の個数: 24

約数和(自身を含む): 280899432

約数和(自身を除く): 142463882

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 251701, 503402, 1258505, 2517010, 2768711, 5537422, 6292525, 12585050, 13843555, 27687110, 69217775, 138435550]

約数ペア:

[(1, 138435550), (2, 69217775), (5, 27687110), (10, 13843555), (11, 12585050), (22, 6292525), (25, 5537422), (50, 2768711), (55, 2517010), (110, 1258505), (275, 503402), (550, 251701)]