280560392

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{17099}}^1$

素因数の和:17405

約数の個数: 32

約数和(自身を含む): 603288000

約数和(自身を除く): 322727608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1172, 2051, 2344, 4102, 8204, 16408, 17099, 34198, 68396, 119693, 136792, 239386, 478772, 957544, 5010007, 10020014, 20040028, 35070049, 40080056, 70140098, 140280196, 280560392]

約数ペア:

[(1, 280560392), (2, 140280196), (4, 70140098), (7, 40080056), (8, 35070049), (14, 20040028), (28, 10020014), (56, 5010007), (293, 957544), (586, 478772), (1172, 239386), (2051, 136792), (2344, 119693), (4102, 68396), (8204, 34198), (16408, 17099)]