188836220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{219577}}^1$

素因数の和:219629

約数の個数: 24

約数和(自身を含む): 405780144

約数和(自身を除く): 216943924

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 219577, 439154, 878308, 1097885, 2195770, 4391540, 9441811, 18883622, 37767244, 47209055, 94418110, 188836220]

約数ペア:

[(1, 188836220), (2, 94418110), (4, 47209055), (5, 37767244), (10, 18883622), (20, 9441811), (43, 4391540), (86, 2195770), (172, 1097885), (215, 878308), (430, 439154), (860, 219577)]