215930960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{385591}}^1$

素因数の和:385611

約数の個数: 40

約数和(自身を含む): 573760896

約数和(自身を除く): 357829936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 385591, 771182, 1542364, 1927955, 2699137, 3084728, 3855910, 5398274, 6169456, 7711820, 10796548, 13495685, 15423640, 21593096, 26991370, 30847280, 43186192, 53982740, 107965480, 215930960]

約数ペア:

[(1, 215930960), (2, 107965480), (4, 53982740), (5, 43186192), (7, 30847280), (8, 26991370), (10, 21593096), (14, 15423640), (16, 13495685), (20, 10796548), (28, 7711820), (35, 6169456), (40, 5398274), (56, 3855910), (70, 3084728), (80, 2699137), (112, 1927955), (140, 1542364), (280, 771182), (560, 385591)]