246660220

素因数分解:

$2^2\times 5^1\times {\mathrm{1783}}^1\times {\mathrm{6917}}^1$

素因数の和:8709

約数の個数: 24

約数和(自身を含む): 518351904

約数和(自身を除く): 271691684

約数列:

[1, 2, 4, 5, 10, 20, 1783, 3566, 6917, 7132, 8915, 13834, 17830, 27668, 34585, 35660, 69170, 138340, 12333011, 24666022, 49332044, 61665055, 123330110, 246660220]

約数ペア:

[(1, 246660220), (2, 123330110), (4, 61665055), (5, 49332044), (10, 24666022), (20, 12333011), (1783, 138340), (3566, 69170), (6917, 35660), (7132, 34585), (8915, 27668), (13834, 17830)]