439488440

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{32603}}^1$

素因数の和:32951

約数の個数: 32

約数和(自身を含む): 991813680

約数和(自身を除く): 552325240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6740, 13480, 32603, 65206, 130412, 163015, 260824, 326030, 652060, 1304120, 10987211, 21974422, 43948844, 54936055, 87897688, 109872110, 219744220, 439488440]

約数ペア:

[(1, 439488440), (2, 219744220), (4, 109872110), (5, 87897688), (8, 54936055), (10, 43948844), (20, 21974422), (40, 10987211), (337, 1304120), (674, 652060), (1348, 326030), (1685, 260824), (2696, 163015), (3370, 130412), (6740, 65206), (13480, 32603)]