137689870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{320209}}^1$

素因数の和:320259

約数の個数: 16

約数和(自身を含む): 253606320

約数和(自身を除く): 115916450

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 320209, 640418, 1601045, 3202090, 13768987, 27537974, 68844935, 137689870]

約数ペア:

[(1, 137689870), (2, 68844935), (5, 27537974), (10, 13768987), (43, 3202090), (86, 1601045), (215, 640418), (430, 320209)]