779980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 1668240

約数和(自身を除く): 888260

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 661, 1180, 1322, 2644, 3305, 6610, 13220, 38999, 77998, 155996, 194995, 389990, 779980]

約数ペア:

[(1, 779980), (2, 389990), (4, 194995), (5, 155996), (10, 77998), (20, 38999), (59, 13220), (118, 6610), (236, 3305), (295, 2644), (590, 1322), (661, 1180)]