205641380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{2609}}^1$

素因数の和:3188

約数の個数: 48

約数和(自身を含む): 494605440

約数和(自身を除く): 288964060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563, 1126, 2252, 2609, 2815, 3941, 5218, 5630, 7882, 10436, 11260, 13045, 15764, 18263, 19705, 26090, 36526, 39410, 52180, 73052, 78820, 91315, 182630, 365260, 1468867, 2937734, 5875468, 7344335, 10282069, 14688670, 20564138, 29377340, 41128276, 51410345, 102820690, 205641380]

約数ペア:

[(1, 205641380), (2, 102820690), (4, 51410345), (5, 41128276), (7, 29377340), (10, 20564138), (14, 14688670), (20, 10282069), (28, 7344335), (35, 5875468), (70, 2937734), (140, 1468867), (563, 365260), (1126, 182630), (2252, 91315), (2609, 78820), (2815, 73052), (3941, 52180), (5218, 39410), (5630, 36526), (7882, 26090), (10436, 19705), (11260, 18263), (13045, 15764)]