438638970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{189887}}^1$

素因数の和:189915

約数の個数: 64

約数和(自身を含む): 1312505856

約数和(自身を除く): 873866886

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 189887, 379774, 569661, 949435, 1139322, 1329209, 1898870, 2088757, 2658418, 2848305, 3987627, 4177514, 5696610, 6266271, 6646045, 7975254, 10443785, 12532542, 13292090, 14621299, 19938135, 20887570, 29242598, 31331355, 39876270, 43863897, 62662710, 73106495, 87727794, 146212990, 219319485, 438638970]

約数ペア:

[(1, 438638970), (2, 219319485), (3, 146212990), (5, 87727794), (6, 73106495), (7, 62662710), (10, 43863897), (11, 39876270), (14, 31331355), (15, 29242598), (21, 20887570), (22, 19938135), (30, 14621299), (33, 13292090), (35, 12532542), (42, 10443785), (55, 7975254), (66, 6646045), (70, 6266271), (77, 5696610), (105, 4177514), (110, 3987627), (154, 2848305), (165, 2658418), (210, 2088757), (231, 1898870), (330, 1329209), (385, 1139322), (462, 949435), (770, 569661), (1155, 379774), (2310, 189887)]