199090960

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{13903}}^1$

素因数の和:14095

約数の個数: 40

約数和(自身を含む): 465505920

約数和(自身を除く): 266414960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 13903, 14320, 27806, 55612, 69515, 111224, 139030, 222448, 278060, 556120, 1112240, 2488637, 4977274, 9954548, 12443185, 19909096, 24886370, 39818192, 49772740, 99545480, 199090960]

約数ペア:

[(1, 199090960), (2, 99545480), (4, 49772740), (5, 39818192), (8, 24886370), (10, 19909096), (16, 12443185), (20, 9954548), (40, 4977274), (80, 2488637), (179, 1112240), (358, 556120), (716, 278060), (895, 222448), (1432, 139030), (1790, 111224), (2864, 69515), (3580, 55612), (7160, 27806), (13903, 14320)]