198650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 24

約数和(自身を含む): 385020

約数和(自身を除く): 186370

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 137, 145, 274, 290, 685, 725, 1370, 1450, 3425, 3973, 6850, 7946, 19865, 39730, 99325, 198650]

約数ペア:

[(1, 198650), (2, 99325), (5, 39730), (10, 19865), (25, 7946), (29, 6850), (50, 3973), (58, 3425), (137, 1450), (145, 1370), (274, 725), (290, 685)]