253485260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1810609}}^1$

素因数の和:1810625

約数の個数: 24

約数和(自身を含む): 608364960

約数和(自身を除く): 354879700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1810609, 3621218, 7242436, 9053045, 12674263, 18106090, 25348526, 36212180, 50697052, 63371315, 126742630, 253485260]

約数ペア:

[(1, 253485260), (2, 126742630), (4, 63371315), (5, 50697052), (7, 36212180), (10, 25348526), (14, 18106090), (20, 12674263), (28, 9053045), (35, 7242436), (70, 3621218), (140, 1810609)]