2912078440

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{365839}}^1$

素因数の和:366049

約数の個数: 32

約数和(自身を含む): 6585120000

約数和(自身を除く): 3673041560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 365839, 731678, 1463356, 1829195, 2926712, 3658390, 7316780, 14633560, 72801961, 145603922, 291207844, 364009805, 582415688, 728019610, 1456039220, 2912078440]

約数ペア:

[(1, 2912078440), (2, 1456039220), (4, 728019610), (5, 582415688), (8, 364009805), (10, 291207844), (20, 145603922), (40, 72801961), (199, 14633560), (398, 7316780), (796, 3658390), (995, 2926712), (1592, 1829195), (1990, 1463356), (3980, 731678), (7960, 365839)]