30774220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 67667040

約数和(自身を除く): 36892820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 145, 194, 290, 388, 485, 547, 580, 970, 1094, 1940, 2188, 2735, 2813, 5470, 5626, 10940, 11252, 14065, 15863, 28130, 31726, 53059, 56260, 63452, 79315, 106118, 158630, 212236, 265295, 317260, 530590, 1061180, 1538711, 3077422, 6154844, 7693555, 15387110, 30774220]

約数ペア:

[(1, 30774220), (2, 15387110), (4, 7693555), (5, 6154844), (10, 3077422), (20, 1538711), (29, 1061180), (58, 530590), (97, 317260), (116, 265295), (145, 212236), (194, 158630), (290, 106118), (388, 79315), (485, 63452), (547, 56260), (580, 53059), (970, 31726), (1094, 28130), (1940, 15863), (2188, 14065), (2735, 11252), (2813, 10940), (5470, 5626)]