1890457240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{964519}}^1$

素因数の和:964544

約数の個数: 48

約数和(自身を含む): 4947987600

約数和(自身を除く): 3057530360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 964519, 1929038, 3858076, 4822595, 6751633, 7716152, 9645190, 13503266, 19290380, 27006532, 33758165, 38580760, 47261431, 54013064, 67516330, 94522862, 135032660, 189045724, 236307155, 270065320, 378091448, 472614310, 945228620, 1890457240]

約数ペア:

[(1, 1890457240), (2, 945228620), (4, 472614310), (5, 378091448), (7, 270065320), (8, 236307155), (10, 189045724), (14, 135032660), (20, 94522862), (28, 67516330), (35, 54013064), (40, 47261431), (49, 38580760), (56, 33758165), (70, 27006532), (98, 19290380), (140, 13503266), (196, 9645190), (245, 7716152), (280, 6751633), (392, 4822595), (490, 3858076), (980, 1929038), (1960, 964519)]