205164575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{9689}}^1$

素因数の和:9728

約数の個数: 36

約数和(自身を含む): 319614960

約数和(自身を除く): 114450385

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 1925, 3025, 4235, 9689, 21175, 48445, 67823, 106579, 242225, 339115, 532895, 746053, 1172369, 1695575, 2664475, 3730265, 5861845, 8206583, 18651325, 29309225, 41032915, 205164575]

約数ペア:

[(1, 205164575), (5, 41032915), (7, 29309225), (11, 18651325), (25, 8206583), (35, 5861845), (55, 3730265), (77, 2664475), (121, 1695575), (175, 1172369), (275, 746053), (385, 532895), (605, 339115), (847, 242225), (1925, 106579), (3025, 67823), (4235, 48445), (9689, 21175)]