120405985

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{28909}}^1$

素因数の和:28945

約数の個数: 24

約数和(自身を含む): 177969960

約数和(自身を除く): 57563975

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 28909, 144545, 202363, 491453, 1011815, 1416541, 2457265, 3440171, 7082705, 17200855, 24081197, 120405985]

約数ペア:

[(1, 120405985), (5, 24081197), (7, 17200855), (17, 7082705), (35, 3440171), (49, 2457265), (85, 1416541), (119, 1011815), (245, 491453), (595, 202363), (833, 144545), (4165, 28909)]