77906220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185491}}^1$

素因数の和:185510

約数の個数: 48

約数和(自身を含む): 249301248

約数和(自身を除く): 171395028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 185491, 370982, 556473, 741964, 927455, 1112946, 1298437, 1854910, 2225892, 2596874, 2782365, 3709820, 3895311, 5193748, 5564730, 6492185, 7790622, 11129460, 12984370, 15581244, 19476555, 25968740, 38953110, 77906220]

約数ペア:

[(1, 77906220), (2, 38953110), (3, 25968740), (4, 19476555), (5, 15581244), (6, 12984370), (7, 11129460), (10, 7790622), (12, 6492185), (14, 5564730), (15, 5193748), (20, 3895311), (21, 3709820), (28, 2782365), (30, 2596874), (35, 2225892), (42, 1854910), (60, 1298437), (70, 1112946), (84, 927455), (105, 741964), (140, 556473), (210, 370982), (420, 185491)]