137397740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21269}}^1$

素因数の和:21314

約数の個数: 48

約数和(自身を含む): 321602400

約数和(自身を除く): 184204660

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 21269, 42538, 85076, 106345, 212690, 361573, 404111, 425380, 723146, 808222, 1446292, 1616444, 1807865, 2020555, 3615730, 4041110, 6869887, 7231460, 8082220, 13739774, 27479548, 34349435, 68698870, 137397740]

約数ペア:

[(1, 137397740), (2, 68698870), (4, 34349435), (5, 27479548), (10, 13739774), (17, 8082220), (19, 7231460), (20, 6869887), (34, 4041110), (38, 3615730), (68, 2020555), (76, 1807865), (85, 1616444), (95, 1446292), (170, 808222), (190, 723146), (323, 425380), (340, 404111), (380, 361573), (646, 212690), (1292, 106345), (1615, 85076), (3230, 42538), (6460, 21269)]