30790340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219931}}^1$

素因数の和:219947

約数の個数: 24

約数和(自身を含む): 73897152

約数和(自身を除く): 43106812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219931, 439862, 879724, 1099655, 1539517, 2199310, 3079034, 4398620, 6158068, 7697585, 15395170, 30790340]

約数ペア:

[(1, 30790340), (2, 15395170), (4, 7697585), (5, 6158068), (7, 4398620), (10, 3079034), (14, 2199310), (20, 1539517), (28, 1099655), (35, 879724), (70, 439862), (140, 219931)]