209277540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{387551}}^1$

素因数の和:387569

約数の個数: 48

約数和(自身を含む): 651087360

約数和(自身を除く): 441809820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 387551, 775102, 1162653, 1550204, 1937755, 2325306, 3487959, 3875510, 4650612, 5813265, 6975918, 7751020, 10463877, 11626530, 13951836, 17439795, 20927754, 23253060, 34879590, 41855508, 52319385, 69759180, 104638770, 209277540]

約数ペア:

[(1, 209277540), (2, 104638770), (3, 69759180), (4, 52319385), (5, 41855508), (6, 34879590), (9, 23253060), (10, 20927754), (12, 17439795), (15, 13951836), (18, 11626530), (20, 10463877), (27, 7751020), (30, 6975918), (36, 5813265), (45, 4650612), (54, 3875510), (60, 3487959), (90, 2325306), (108, 1937755), (135, 1550204), (180, 1162653), (270, 775102), (540, 387551)]