188397220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{856351}}^1$

素因数の和:856371

約数の個数: 24

約数和(自身を含む): 431601408

約数和(自身を除く): 243204188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 856351, 1712702, 3425404, 4281755, 8563510, 9419861, 17127020, 18839722, 37679444, 47099305, 94198610, 188397220]

約数ペア:

[(1, 188397220), (2, 94198610), (4, 47099305), (5, 37679444), (10, 18839722), (11, 17127020), (20, 9419861), (22, 8563510), (44, 4281755), (55, 3425404), (110, 1712702), (220, 856351)]