391348157260

素因数分解:

$2^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{13712269}}^1$

素因数の和:13713705

約数の個数: 24

約数和(自身を含む): 822407105520

約数和(自身を除く): 431058948260

約数列:

[1, 2, 4, 5, 10, 20, 1427, 2854, 5708, 7135, 14270, 28540, 13712269, 27424538, 54849076, 68561345, 137122690, 274245380, 19567407863, 39134815726, 78269631452, 97837039315, 195674078630, 391348157260]

約数ペア:

[(1, 391348157260), (2, 195674078630), (4, 97837039315), (5, 78269631452), (10, 39134815726), (20, 19567407863), (1427, 274245380), (2854, 137122690), (5708, 68561345), (7135, 54849076), (14270, 27424538), (28540, 13712269)]