129291260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{923509}}^1$

素因数の和:923525

約数の個数: 24

約数和(自身を含む): 310299360

約数和(自身を除く): 181008100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 923509, 1847018, 3694036, 4617545, 6464563, 9235090, 12929126, 18470180, 25858252, 32322815, 64645630, 129291260]

約数ペア:

[(1, 129291260), (2, 64645630), (4, 32322815), (5, 25858252), (7, 18470180), (10, 12929126), (14, 9235090), (20, 6464563), (28, 4617545), (35, 3694036), (70, 1847018), (140, 923509)]