1789220

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 3790584

約数和(自身を除く): 2001364

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 653, 685, 1306, 1370, 2612, 2740, 3265, 6530, 13060, 89461, 178922, 357844, 447305, 894610, 1789220]

約数ペア:

[(1, 1789220), (2, 894610), (4, 447305), (5, 357844), (10, 178922), (20, 89461), (137, 13060), (274, 6530), (548, 3265), (653, 2740), (685, 2612), (1306, 1370)]