1548220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 3276000

約数和(自身を除く): 1727780

約数列:

[1, 2, 4, 5, 10, 20, 199, 389, 398, 778, 796, 995, 1556, 1945, 1990, 3890, 3980, 7780, 77411, 154822, 309644, 387055, 774110, 1548220]

約数ペア:

[(1, 1548220), (2, 774110), (4, 387055), (5, 309644), (10, 154822), (20, 77411), (199, 7780), (389, 3980), (398, 3890), (778, 1990), (796, 1945), (995, 1556)]