1912540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 4838400

約数和(自身を除く): 2925860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 719, 1330, 1438, 2660, 2876, 3595, 5033, 7190, 10066, 13661, 14380, 20132, 25165, 27322, 50330, 54644, 68305, 95627, 100660, 136610, 191254, 273220, 382508, 478135, 956270, 1912540]

約数ペア:

[(1, 1912540), (2, 956270), (4, 478135), (5, 382508), (7, 273220), (10, 191254), (14, 136610), (19, 100660), (20, 95627), (28, 68305), (35, 54644), (38, 50330), (70, 27322), (76, 25165), (95, 20132), (133, 14380), (140, 13661), (190, 10066), (266, 7190), (380, 5033), (532, 3595), (665, 2876), (719, 2660), (1330, 1438)]