205995845

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 287280000

約数和(自身を除く): 81284155

約数列:

[1, 5, 11, 29, 55, 59, 121, 145, 199, 295, 319, 605, 649, 995, 1595, 1711, 2189, 3245, 3509, 5771, 7139, 8555, 10945, 11741, 17545, 18821, 24079, 28855, 35695, 58705, 63481, 94105, 120395, 129151, 207031, 317405, 340489, 645755, 698291, 1035155, 1420661, 1702445, 3491455, 3745379, 7103305, 18726895, 41199169, 205995845]

約数ペア:

[(1, 205995845), (5, 41199169), (11, 18726895), (29, 7103305), (55, 3745379), (59, 3491455), (121, 1702445), (145, 1420661), (199, 1035155), (295, 698291), (319, 645755), (605, 340489), (649, 317405), (995, 207031), (1595, 129151), (1711, 120395), (2189, 94105), (3245, 63481), (3509, 58705), (5771, 35695), (7139, 28855), (8555, 24079), (10945, 18821), (11741, 17545)]