13387780

素因数分解:

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

素因数の和:761

約数の個数: 72

約数和(自身を含む): 34473600

約数和(自身を除く): 21085820

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 719, 931, 980, 1330, 1438, 1862, 2660, 2876, 3595, 3724, 4655, 5033, 7190, 9310, 10066, 13661, 14380, 18620, 20132, 25165, 27322, 35231, 50330, 54644, 68305, 70462, 95627, 100660, 136610, 140924, 176155, 191254, 273220, 352310, 382508, 478135, 669389, 704620, 956270, 1338778, 1912540, 2677556, 3346945, 6693890, 13387780]

約数ペア:

[(1, 13387780), (2, 6693890), (4, 3346945), (5, 2677556), (7, 1912540), (10, 1338778), (14, 956270), (19, 704620), (20, 669389), (28, 478135), (35, 382508), (38, 352310), (49, 273220), (70, 191254), (76, 176155), (95, 140924), (98, 136610), (133, 100660), (140, 95627), (190, 70462), (196, 68305), (245, 54644), (266, 50330), (380, 35231), (490, 27322), (532, 25165), (665, 20132), (719, 18620), (931, 14380), (980, 13661), (1330, 10066), (1438, 9310), (1862, 7190), (2660, 5033), (2876, 4655), (3595, 3724)]