30485180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{138569}}^1$

素因数の和:138589

約数の個数: 24

約数和(自身を含む): 69839280

約数和(自身を除く): 39354100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 138569, 277138, 554276, 692845, 1385690, 1524259, 2771380, 3048518, 6097036, 7621295, 15242590, 30485180]

約数ペア:

[(1, 30485180), (2, 15242590), (4, 7621295), (5, 6097036), (10, 3048518), (11, 2771380), (20, 1524259), (22, 1385690), (44, 692845), (55, 554276), (110, 277138), (220, 138569)]