870520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3109}}^1$

素因数の和:3127

約数の個数: 32

約数和(自身を含む): 2239200

約数和(自身を除く): 1368680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3109, 6218, 12436, 15545, 21763, 24872, 31090, 43526, 62180, 87052, 108815, 124360, 174104, 217630, 435260, 870520]

約数ペア:

[(1, 870520), (2, 435260), (4, 217630), (5, 174104), (7, 124360), (8, 108815), (10, 87052), (14, 62180), (20, 43526), (28, 31090), (35, 24872), (40, 21763), (56, 15545), (70, 12436), (140, 6218), (280, 3109)]