168300280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97849}}^1$

素因数の和:97903

約数の個数: 32

約数和(自身を含む): 387486000

約数和(自身を除く): 219185720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 97849, 195698, 391396, 489245, 782792, 978490, 1956980, 3913960, 4207507, 8415014, 16830028, 21037535, 33660056, 42075070, 84150140, 168300280]

約数ペア:

[(1, 168300280), (2, 84150140), (4, 42075070), (5, 33660056), (8, 21037535), (10, 16830028), (20, 8415014), (40, 4207507), (43, 3913960), (86, 1956980), (172, 978490), (215, 782792), (344, 489245), (430, 391396), (860, 195698), (1720, 97849)]