30396380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217117}}^1$

素因数の和:217133

約数の個数: 24

約数和(自身を含む): 72951648

約数和(自身を除く): 42555268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217117, 434234, 868468, 1085585, 1519819, 2171170, 3039638, 4342340, 6079276, 7599095, 15198190, 30396380]

約数ペア:

[(1, 30396380), (2, 15198190), (4, 7599095), (5, 6079276), (7, 4342340), (10, 3039638), (14, 2171170), (20, 1519819), (28, 1085585), (35, 868468), (70, 434234), (140, 217117)]