217072020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{328897}}^1$

素因数の和:328920

約数の個数: 48

約数和(自身を含む): 663058368

約数和(自身を除く): 445986348

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 328897, 657794, 986691, 1315588, 1644485, 1973382, 3288970, 3617867, 3946764, 4933455, 6577940, 7235734, 9866910, 10853601, 14471468, 18089335, 19733820, 21707202, 36178670, 43414404, 54268005, 72357340, 108536010, 217072020]

約数ペア:

[(1, 217072020), (2, 108536010), (3, 72357340), (4, 54268005), (5, 43414404), (6, 36178670), (10, 21707202), (11, 19733820), (12, 18089335), (15, 14471468), (20, 10853601), (22, 9866910), (30, 7235734), (33, 6577940), (44, 4933455), (55, 3946764), (60, 3617867), (66, 3288970), (110, 1973382), (132, 1644485), (165, 1315588), (220, 986691), (330, 657794), (660, 328897)]