208400740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{548423}}^1$

素因数の和:548451

約数の個数: 24

約数和(自身を含む): 460676160

約数和(自身を除く): 252275420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 548423, 1096846, 2193692, 2742115, 5484230, 10420037, 10968460, 20840074, 41680148, 52100185, 104200370, 208400740]

約数ペア:

[(1, 208400740), (2, 104200370), (4, 52100185), (5, 41680148), (10, 20840074), (19, 10968460), (20, 10420037), (38, 5484230), (76, 2742115), (95, 2193692), (190, 1096846), (380, 548423)]