4389940

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1103}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 9273600

約数和(自身を除く): 4883660

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1103, 1990, 2206, 3980, 4412, 5515, 11030, 22060, 219497, 438994, 877988, 1097485, 2194970, 4389940]

約数ペア:

[(1, 4389940), (2, 2194970), (4, 1097485), (5, 877988), (10, 438994), (20, 219497), (199, 22060), (398, 11030), (796, 5515), (995, 4412), (1103, 3980), (1990, 2206)]