123510520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{441109}}^1$

素因数の和:441127

約数の個数: 32

約数和(自身を含む): 317599200

約数和(自身を除く): 194088680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 441109, 882218, 1764436, 2205545, 3087763, 3528872, 4411090, 6175526, 8822180, 12351052, 15438815, 17644360, 24702104, 30877630, 61755260, 123510520]

約数ペア:

[(1, 123510520), (2, 61755260), (4, 30877630), (5, 24702104), (7, 17644360), (8, 15438815), (10, 12351052), (14, 8822180), (20, 6175526), (28, 4411090), (35, 3528872), (40, 3087763), (56, 2205545), (70, 1764436), (140, 882218), (280, 441109)]