85478260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{610559}}^1$

素因数の和:610575

約数の個数: 24

約数和(自身を含む): 205148160

約数和(自身を除く): 119669900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 610559, 1221118, 2442236, 3052795, 4273913, 6105590, 8547826, 12211180, 17095652, 21369565, 42739130, 85478260]

約数ペア:

[(1, 85478260), (2, 42739130), (4, 21369565), (5, 17095652), (7, 12211180), (10, 8547826), (14, 6105590), (20, 4273913), (28, 3052795), (35, 2442236), (70, 1221118), (140, 610559)]