140193620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{9187}}^1$

素因数の和:9312

約数の個数: 48

約数和(自身を含む): 339588480

約数和(自身を除く): 199394860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 9187, 15260, 18374, 36748, 45935, 64309, 91870, 128618, 183740, 257236, 321545, 643090, 1001383, 1286180, 2002766, 4005532, 5006915, 7009681, 10013830, 14019362, 20027660, 28038724, 35048405, 70096810, 140193620]

約数ペア:

[(1, 140193620), (2, 70096810), (4, 35048405), (5, 28038724), (7, 20027660), (10, 14019362), (14, 10013830), (20, 7009681), (28, 5006915), (35, 4005532), (70, 2002766), (109, 1286180), (140, 1001383), (218, 643090), (436, 321545), (545, 257236), (763, 183740), (1090, 128618), (1526, 91870), (2180, 64309), (3052, 45935), (3815, 36748), (7630, 18374), (9187, 15260)]