2800542920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{50261}}^1$

素因数の和:50478

約数の個数: 64

約数和(自身を含む): 7237728000

約数和(自身を除く): 4437185080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1592, 1990, 2786, 3980, 5572, 6965, 7960, 11144, 13930, 27860, 50261, 55720, 100522, 201044, 251305, 351827, 402088, 502610, 703654, 1005220, 1407308, 1759135, 2010440, 2814616, 3518270, 7036540, 10001939, 14073080, 20003878, 40007756, 50009695, 70013573, 80015512, 100019390, 140027146, 200038780, 280054292, 350067865, 400077560, 560108584, 700135730, 1400271460, 2800542920]

約数ペア:

[(1, 2800542920), (2, 1400271460), (4, 700135730), (5, 560108584), (7, 400077560), (8, 350067865), (10, 280054292), (14, 200038780), (20, 140027146), (28, 100019390), (35, 80015512), (40, 70013573), (56, 50009695), (70, 40007756), (140, 20003878), (199, 14073080), (280, 10001939), (398, 7036540), (796, 3518270), (995, 2814616), (1393, 2010440), (1592, 1759135), (1990, 1407308), (2786, 1005220), (3980, 703654), (5572, 502610), (6965, 402088), (7960, 351827), (11144, 251305), (13930, 201044), (27860, 100522), (50261, 55720)]