391566330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21863}}^1$

素因数の和:22075

約数の個数: 48

約数和(自身を含む): 1023235200

約数和(自身を除く): 631668870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1194, 1791, 1990, 2985, 3582, 5970, 8955, 17910, 21863, 43726, 65589, 109315, 131178, 196767, 218630, 327945, 393534, 655890, 983835, 1967670, 4350737, 8701474, 13052211, 21753685, 26104422, 39156633, 43507370, 65261055, 78313266, 130522110, 195783165, 391566330]

約数ペア:

[(1, 391566330), (2, 195783165), (3, 130522110), (5, 78313266), (6, 65261055), (9, 43507370), (10, 39156633), (15, 26104422), (18, 21753685), (30, 13052211), (45, 8701474), (90, 4350737), (199, 1967670), (398, 983835), (597, 655890), (995, 393534), (1194, 327945), (1791, 218630), (1990, 196767), (2985, 131178), (3582, 109315), (5970, 65589), (8955, 43726), (17910, 21863)]