3494440

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 7920000

約数和(自身を除く): 4425560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 439, 796, 878, 995, 1592, 1756, 1990, 2195, 3512, 3980, 4390, 7960, 8780, 17560, 87361, 174722, 349444, 436805, 698888, 873610, 1747220, 3494440]

約数ペア:

[(1, 3494440), (2, 1747220), (4, 873610), (5, 698888), (8, 436805), (10, 349444), (20, 174722), (40, 87361), (199, 17560), (398, 8780), (439, 7960), (796, 4390), (878, 3980), (995, 3512), (1592, 2195), (1756, 1990)]