199422020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1424443}}^1$

素因数の和:1424459

約数の個数: 24

約数和(自身を含む): 478613184

約数和(自身を除く): 279191164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1424443, 2848886, 5697772, 7122215, 9971101, 14244430, 19942202, 28488860, 39884404, 49855505, 99711010, 199422020]

約数ペア:

[(1, 199422020), (2, 99711010), (4, 49855505), (5, 39884404), (7, 28488860), (10, 19942202), (14, 14244430), (20, 9971101), (28, 7122215), (35, 5697772), (70, 2848886), (140, 1424443)]