2797940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 6384000

約数和(自身を除く): 3586060

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 199, 370, 380, 398, 703, 740, 796, 995, 1406, 1990, 2812, 3515, 3781, 3980, 7030, 7363, 7562, 14060, 14726, 15124, 18905, 29452, 36815, 37810, 73630, 75620, 139897, 147260, 279794, 559588, 699485, 1398970, 2797940]

約数ペア:

[(1, 2797940), (2, 1398970), (4, 699485), (5, 559588), (10, 279794), (19, 147260), (20, 139897), (37, 75620), (38, 73630), (74, 37810), (76, 36815), (95, 29452), (148, 18905), (185, 15124), (190, 14726), (199, 14060), (370, 7562), (380, 7363), (398, 7030), (703, 3980), (740, 3781), (796, 3515), (995, 2812), (1406, 1990)]