126407260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{128987}}^1$

素因数の和:129010

約数の個数: 36

約数和(自身を含む): 308797272

約数和(自身を除く): 182390012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 128987, 257974, 515948, 644935, 902909, 1289870, 1805818, 2579740, 3611636, 4514545, 6320363, 9029090, 12640726, 18058180, 25281452, 31601815, 63203630, 126407260]

約数ペア:

[(1, 126407260), (2, 63203630), (4, 31601815), (5, 25281452), (7, 18058180), (10, 12640726), (14, 9029090), (20, 6320363), (28, 4514545), (35, 3611636), (49, 2579740), (70, 1805818), (98, 1289870), (140, 902909), (196, 644935), (245, 515948), (490, 257974), (980, 128987)]