1900391390

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1387147}}^1$

素因数の和:1387291

約数の個数: 16

約数和(自身を含む): 3445675632

約数和(自身を除く): 1545284242

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 1387147, 2774294, 6935735, 13871470, 190039139, 380078278, 950195695, 1900391390]

約数ペア:

[(1, 1900391390), (2, 950195695), (5, 380078278), (10, 190039139), (137, 13871470), (274, 6935735), (685, 2774294), (1370, 1387147)]