245875432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{20101}}^1$

素因数の和:20257

約数の個数: 32

約数和(自身を含む): 506570400

約数和(自身を除く): 260694968

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 3058, 6116, 12232, 20101, 40202, 80404, 160808, 221111, 442222, 884444, 1768888, 2794039, 5588078, 11176156, 22352312, 30734429, 61468858, 122937716, 245875432]

約数ペア:

[(1, 245875432), (2, 122937716), (4, 61468858), (8, 30734429), (11, 22352312), (22, 11176156), (44, 5588078), (88, 2794039), (139, 1768888), (278, 884444), (556, 442222), (1112, 221111), (1529, 160808), (3058, 80404), (6116, 40202), (12232, 20101)]