231359080

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{16573}}^1$

素因数の和:16933

約数の個数: 32

約数和(自身を含む): 522081000

約数和(自身を除く): 290721920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 13960, 16573, 33146, 66292, 82865, 132584, 165730, 331460, 662920, 5783977, 11567954, 23135908, 28919885, 46271816, 57839770, 115679540, 231359080]

約数ペア:

[(1, 231359080), (2, 115679540), (4, 57839770), (5, 46271816), (8, 28919885), (10, 23135908), (20, 11567954), (40, 5783977), (349, 662920), (698, 331460), (1396, 165730), (1745, 132584), (2792, 82865), (3490, 66292), (6980, 33146), (13960, 16573)]