78192940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{558521}}^1$

素因数の和:558537

約数の個数: 24

約数和(自身を含む): 187663392

約数和(自身を除く): 109470452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 558521, 1117042, 2234084, 2792605, 3909647, 5585210, 7819294, 11170420, 15638588, 19548235, 39096470, 78192940]

約数ペア:

[(1, 78192940), (2, 39096470), (4, 19548235), (5, 15638588), (7, 11170420), (10, 7819294), (14, 5585210), (20, 3909647), (28, 2792605), (35, 2234084), (70, 1117042), (140, 558521)]