260667260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{265987}}^1$

素因数の和:266010

約数の個数: 36

約数和(自身を含む): 636775272

約数和(自身を除く): 376108012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 265987, 531974, 1063948, 1329935, 1861909, 2659870, 3723818, 5319740, 7447636, 9309545, 13033363, 18619090, 26066726, 37238180, 52133452, 65166815, 130333630, 260667260]

約数ペア:

[(1, 260667260), (2, 130333630), (4, 65166815), (5, 52133452), (7, 37238180), (10, 26066726), (14, 18619090), (20, 13033363), (28, 9309545), (35, 7447636), (49, 5319740), (70, 3723818), (98, 2659870), (140, 1861909), (196, 1329935), (245, 1063948), (490, 531974), (980, 265987)]