281076460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{1847}}^1$

素因数の和:2950

約数の個数: 48

約数和(自身を含む): 675569664

約数和(自身を除く): 394493204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1087, 1847, 2174, 3694, 4348, 5435, 7388, 7609, 9235, 10870, 12929, 15218, 18470, 21740, 25858, 30436, 36940, 38045, 51716, 64645, 76090, 129290, 152180, 258580, 2007689, 4015378, 8030756, 10038445, 14053823, 20076890, 28107646, 40153780, 56215292, 70269115, 140538230, 281076460]

約数ペア:

[(1, 281076460), (2, 140538230), (4, 70269115), (5, 56215292), (7, 40153780), (10, 28107646), (14, 20076890), (20, 14053823), (28, 10038445), (35, 8030756), (70, 4015378), (140, 2007689), (1087, 258580), (1847, 152180), (2174, 129290), (3694, 76090), (4348, 64645), (5435, 51716), (7388, 38045), (7609, 36940), (9235, 30436), (10870, 25858), (12929, 21740), (15218, 18470)]