57284140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 124488000

約数和(自身を除く): 67203860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 199, 370, 389, 398, 740, 778, 796, 995, 1556, 1945, 1990, 3890, 3980, 7363, 7780, 14393, 14726, 28786, 29452, 36815, 57572, 71965, 73630, 77411, 143930, 147260, 154822, 287860, 309644, 387055, 774110, 1548220, 2864207, 5728414, 11456828, 14321035, 28642070, 57284140]

約数ペア:

[(1, 57284140), (2, 28642070), (4, 14321035), (5, 11456828), (10, 5728414), (20, 2864207), (37, 1548220), (74, 774110), (148, 387055), (185, 309644), (199, 287860), (370, 154822), (389, 147260), (398, 143930), (740, 77411), (778, 73630), (796, 71965), (995, 57572), (1556, 36815), (1945, 29452), (1990, 28786), (3890, 14726), (3980, 14393), (7363, 7780)]