129340540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{923861}}^1$

素因数の和:923877

約数の個数: 24

約数和(自身を含む): 310417632

約数和(自身を除く): 181077092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 923861, 1847722, 3695444, 4619305, 6467027, 9238610, 12934054, 18477220, 25868108, 32335135, 64670270, 129340540]

約数ペア:

[(1, 129340540), (2, 64670270), (4, 32335135), (5, 25868108), (7, 18477220), (10, 12934054), (14, 9238610), (20, 6467027), (28, 4619305), (35, 3695444), (70, 1847722), (140, 923861)]