209354180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1495387}}^1$

素因数の和:1495403

約数の個数: 24

約数和(自身を含む): 502450368

約数和(自身を除く): 293096188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1495387, 2990774, 5981548, 7476935, 10467709, 14953870, 20935418, 29907740, 41870836, 52338545, 104677090, 209354180]

約数ペア:

[(1, 209354180), (2, 104677090), (4, 52338545), (5, 41870836), (7, 29907740), (10, 20935418), (14, 14953870), (20, 10467709), (28, 7476935), (35, 5981548), (70, 2990774), (140, 1495387)]