202340780

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{73847}}^1$

素因数の和:73993

約数の個数: 24

約数和(自身を含む): 428023008

約数和(自身を除く): 225682228

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 73847, 147694, 295388, 369235, 738470, 1476940, 10117039, 20234078, 40468156, 50585195, 101170390, 202340780]

約数ペア:

[(1, 202340780), (2, 101170390), (4, 50585195), (5, 40468156), (10, 20234078), (20, 10117039), (137, 1476940), (274, 738470), (548, 369235), (685, 295388), (1370, 147694), (2740, 73847)]