822757940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{579407}}^1$

素因数の和:579487

約数の個数: 24

約数和(自身を含む): 1752129792

約数和(自身を除く): 929371852

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 579407, 1158814, 2317628, 2897035, 5794070, 11588140, 41137897, 82275794, 164551588, 205689485, 411378970, 822757940]

約数ペア:

[(1, 822757940), (2, 411378970), (4, 205689485), (5, 164551588), (10, 82275794), (20, 41137897), (71, 11588140), (142, 5794070), (284, 2897035), (355, 2317628), (710, 1158814), (1420, 579407)]