138952940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{992521}}^1$

素因数の和:992537

約数の個数: 24

約数和(自身を含む): 333487392

約数和(自身を除く): 194534452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 992521, 1985042, 3970084, 4962605, 6947647, 9925210, 13895294, 19850420, 27790588, 34738235, 69476470, 138952940]

約数ペア:

[(1, 138952940), (2, 69476470), (4, 34738235), (5, 27790588), (7, 19850420), (10, 13895294), (14, 9925210), (20, 6947647), (28, 4962605), (35, 3970084), (70, 1985042), (140, 992521)]