3239720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 8208000

約数和(自身を除く): 4968280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 199, 220, 296, 370, 398, 407, 440, 740, 796, 814, 995, 1480, 1592, 1628, 1990, 2035, 2189, 3256, 3980, 4070, 4378, 7363, 7960, 8140, 8756, 10945, 14726, 16280, 17512, 21890, 29452, 36815, 43780, 58904, 73630, 80993, 87560, 147260, 161986, 294520, 323972, 404965, 647944, 809930, 1619860, 3239720]

約数ペア:

[(1, 3239720), (2, 1619860), (4, 809930), (5, 647944), (8, 404965), (10, 323972), (11, 294520), (20, 161986), (22, 147260), (37, 87560), (40, 80993), (44, 73630), (55, 58904), (74, 43780), (88, 36815), (110, 29452), (148, 21890), (185, 17512), (199, 16280), (220, 14726), (296, 10945), (370, 8756), (398, 8140), (407, 7960), (440, 7363), (740, 4378), (796, 4070), (814, 3980), (995, 3256), (1480, 2189), (1592, 2035), (1628, 1990)]