128907730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{263077}}^1$

素因数の和:263098

約数の個数: 24

約数和(自身を含む): 269918028

約数和(自身を除く): 141010298

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 263077, 526154, 1315385, 1841539, 2630770, 3683078, 9207695, 12890773, 18415390, 25781546, 64453865, 128907730]

約数ペア:

[(1, 128907730), (2, 64453865), (5, 25781546), (7, 18415390), (10, 12890773), (14, 9207695), (35, 3683078), (49, 2630770), (70, 1841539), (98, 1315385), (245, 526154), (490, 263077)]