3936220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 8870400

約数和(自身を除く): 4934180

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 199, 215, 230, 398, 430, 460, 796, 860, 989, 995, 1978, 1990, 3956, 3980, 4577, 4945, 8557, 9154, 9890, 17114, 18308, 19780, 22885, 34228, 42785, 45770, 85570, 91540, 171140, 196811, 393622, 787244, 984055, 1968110, 3936220]

約数ペア:

[(1, 3936220), (2, 1968110), (4, 984055), (5, 787244), (10, 393622), (20, 196811), (23, 171140), (43, 91540), (46, 85570), (86, 45770), (92, 42785), (115, 34228), (172, 22885), (199, 19780), (215, 18308), (230, 17114), (398, 9890), (430, 9154), (460, 8557), (796, 4945), (860, 4577), (989, 3980), (995, 3956), (1978, 1990)]