870820270

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{207833}}^1$

素因数の和:208259

約数の個数: 16

約数和(自身を含む): 1571225040

約数和(自身を除く): 700404770

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 207833, 415666, 1039165, 2078330, 87082027, 174164054, 435410135, 870820270]

約数ペア:

[(1, 870820270), (2, 435410135), (5, 174164054), (10, 87082027), (419, 2078330), (838, 1039165), (2095, 415666), (4190, 207833)]