389286725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{1109}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 509268000

約数和(自身を除く): 119981275

約数列:

[1, 5, 19, 25, 95, 475, 739, 1109, 3695, 5545, 14041, 18475, 21071, 27725, 70205, 105355, 351025, 526775, 819551, 4097755, 15571469, 20488775, 77857345, 389286725]

約数ペア:

[(1, 389286725), (5, 77857345), (19, 20488775), (25, 15571469), (95, 4097755), (475, 819551), (739, 526775), (1109, 351025), (3695, 105355), (5545, 70205), (14041, 27725), (18475, 21071)]