489315520

素因数分解:

$2^6\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6857}}^1$

素因数の和:7097

約数の個数: 56

約数和(自身を含む): 1170578304

約数和(自身を除く): 681262784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 223, 320, 446, 892, 1115, 1784, 2230, 3568, 4460, 6857, 7136, 8920, 13714, 14272, 17840, 27428, 34285, 35680, 54856, 68570, 71360, 109712, 137140, 219424, 274280, 438848, 548560, 1097120, 1529111, 2194240, 3058222, 6116444, 7645555, 12232888, 15291110, 24465776, 30582220, 48931552, 61164440, 97863104, 122328880, 244657760, 489315520]

約数ペア:

[(1, 489315520), (2, 244657760), (4, 122328880), (5, 97863104), (8, 61164440), (10, 48931552), (16, 30582220), (20, 24465776), (32, 15291110), (40, 12232888), (64, 7645555), (80, 6116444), (160, 3058222), (223, 2194240), (320, 1529111), (446, 1097120), (892, 548560), (1115, 438848), (1784, 274280), (2230, 219424), (3568, 137140), (4460, 109712), (6857, 71360), (7136, 68570), (8920, 54856), (13714, 35680), (14272, 34285), (17840, 27428)]