203464180

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{74257}}^1$

素因数の和:74403

約数の個数: 24

約数和(自身を含む): 430399368

約数和(自身を除く): 226935188

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 74257, 148514, 297028, 371285, 742570, 1485140, 10173209, 20346418, 40692836, 50866045, 101732090, 203464180]

約数ペア:

[(1, 203464180), (2, 101732090), (4, 50866045), (5, 40692836), (10, 20346418), (20, 10173209), (137, 1485140), (274, 742570), (548, 371285), (685, 297028), (1370, 148514), (2740, 74257)]