119920144

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{122869}}^1$

素因数の和:122938

約数の個数: 20

約数和(自身を含む): 236156140

約数和(自身を除く): 116235996

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 122869, 245738, 491476, 982952, 1965904, 7495009, 14990018, 29980036, 59960072, 119920144]

約数ペア:

[(1, 119920144), (2, 59960072), (4, 29980036), (8, 14990018), (16, 7495009), (61, 1965904), (122, 982952), (244, 491476), (488, 245738), (976, 122869)]