188825900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{43913}}^1$

素因数の和:43970

約数の個数: 36

約数和(自身を含む): 419290872

約数和(自身を除く): 230464972

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 43913, 87826, 175652, 219565, 439130, 878260, 1097825, 1888259, 2195650, 3776518, 4391300, 7553036, 9441295, 18882590, 37765180, 47206475, 94412950, 188825900]

約数ペア:

[(1, 188825900), (2, 94412950), (4, 47206475), (5, 37765180), (10, 18882590), (20, 9441295), (25, 7553036), (43, 4391300), (50, 3776518), (86, 2195650), (100, 1888259), (172, 1097825), (215, 878260), (430, 439130), (860, 219565), (1075, 175652), (2150, 87826), (4300, 43913)]