315332440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{76537}}^1$

素因数の和:76651

約数の個数: 32

約数和(自身を含む): 716395680

約数和(自身を除く): 401063240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 76537, 153074, 306148, 382685, 612296, 765370, 1530740, 3061480, 7883311, 15766622, 31533244, 39416555, 63066488, 78833110, 157666220, 315332440]

約数ペア:

[(1, 315332440), (2, 157666220), (4, 78833110), (5, 63066488), (8, 39416555), (10, 31533244), (20, 15766622), (40, 7883311), (103, 3061480), (206, 1530740), (412, 765370), (515, 612296), (824, 382685), (1030, 306148), (2060, 153074), (4120, 76537)]