30686390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{438377}}^1$

素因数の和:438391

約数の個数: 16

約数和(自身を含む): 63126432

約数和(自身を除く): 32440042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 438377, 876754, 2191885, 3068639, 4383770, 6137278, 15343195, 30686390]

約数ペア:

[(1, 30686390), (2, 15343195), (5, 6137278), (7, 4383770), (10, 3068639), (14, 2191885), (35, 876754), (70, 438377)]