138204290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103913}}^1$

素因数の和:103946

約数の個数: 32

約数和(自身を含む): 299272320

約数和(自身を除く): 161068030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 103913, 207826, 519565, 727391, 1039130, 1454782, 1974347, 3636955, 3948694, 7273910, 9871735, 13820429, 19743470, 27640858, 69102145, 138204290]

約数ペア:

[(1, 138204290), (2, 69102145), (5, 27640858), (7, 19743470), (10, 13820429), (14, 9871735), (19, 7273910), (35, 3948694), (38, 3636955), (70, 1974347), (95, 1454782), (133, 1039130), (190, 727391), (266, 519565), (665, 207826), (1330, 103913)]