203425805

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 281534400

約数和(自身を除く): 78108595

約数列:

[1, 5, 11, 41, 55, 59, 121, 139, 205, 295, 451, 605, 649, 695, 1529, 2255, 2419, 3245, 4961, 5699, 7139, 7645, 8201, 12095, 16819, 24805, 26609, 28495, 35695, 41005, 62689, 84095, 90211, 133045, 292699, 313445, 336241, 451055, 689579, 992321, 1463495, 1681205, 3447895, 3698651, 4961605, 18493255, 40685161, 203425805]

約数ペア:

[(1, 203425805), (5, 40685161), (11, 18493255), (41, 4961605), (55, 3698651), (59, 3447895), (121, 1681205), (139, 1463495), (205, 992321), (295, 689579), (451, 451055), (605, 336241), (649, 313445), (695, 292699), (1529, 133045), (2255, 90211), (2419, 84095), (3245, 62689), (4961, 41005), (5699, 35695), (7139, 28495), (7645, 26609), (8201, 24805), (12095, 16819)]