30716980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219407}}^1$

素因数の和:219423

約数の個数: 24

約数和(自身を含む): 73721088

約数和(自身を除く): 43004108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219407, 438814, 877628, 1097035, 1535849, 2194070, 3071698, 4388140, 6143396, 7679245, 15358490, 30716980]

約数ペア:

[(1, 30716980), (2, 15358490), (4, 7679245), (5, 6143396), (7, 4388140), (10, 3071698), (14, 2194070), (20, 1535849), (28, 1097035), (35, 877628), (70, 438814), (140, 219407)]