126680680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{64633}}^1$

素因数の和:64658

約数の個数: 48

約数和(自身を含む): 331572420

約数和(自身を除く): 204891740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 64633, 129266, 258532, 323165, 452431, 517064, 646330, 904862, 1292660, 1809724, 2262155, 2585320, 3167017, 3619448, 4524310, 6334034, 9048620, 12668068, 15835085, 18097240, 25336136, 31670170, 63340340, 126680680]

約数ペア:

[(1, 126680680), (2, 63340340), (4, 31670170), (5, 25336136), (7, 18097240), (8, 15835085), (10, 12668068), (14, 9048620), (20, 6334034), (28, 4524310), (35, 3619448), (40, 3167017), (49, 2585320), (56, 2262155), (70, 1809724), (98, 1292660), (140, 904862), (196, 646330), (245, 517064), (280, 452431), (392, 323165), (490, 258532), (980, 129266), (1960, 64633)]