208409820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{80779}}^1$

素因数の和:80834

約数の個数: 48

約数和(自身を含む): 597125760

約数和(自身を除く): 388715940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 80779, 161558, 242337, 323116, 403895, 484674, 807790, 969348, 1211685, 1615580, 2423370, 3473497, 4846740, 6946994, 10420491, 13893988, 17367485, 20840982, 34734970, 41681964, 52102455, 69469940, 104204910, 208409820]

約数ペア:

[(1, 208409820), (2, 104204910), (3, 69469940), (4, 52102455), (5, 41681964), (6, 34734970), (10, 20840982), (12, 17367485), (15, 13893988), (20, 10420491), (30, 6946994), (43, 4846740), (60, 3473497), (86, 2423370), (129, 1615580), (172, 1211685), (215, 969348), (258, 807790), (430, 484674), (516, 403895), (645, 323116), (860, 242337), (1290, 161558), (2580, 80779)]