394782020

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{58573}}^1$

素因数の和:58919

約数の個数: 24

約数和(自身を含む): 831516504

約数和(自身を除く): 436734484

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 3370, 6740, 58573, 117146, 234292, 292865, 585730, 1171460, 19739101, 39478202, 78956404, 98695505, 197391010, 394782020]

約数ペア:

[(1, 394782020), (2, 197391010), (4, 98695505), (5, 78956404), (10, 39478202), (20, 19739101), (337, 1171460), (674, 585730), (1348, 292865), (1685, 234292), (3370, 117146), (6740, 58573)]