340652020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{396107}}^1$

素因数の和:396159

約数の個数: 24

約数和(自身を含む): 732007584

約数和(自身を除く): 391355564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 396107, 792214, 1584428, 1980535, 3961070, 7922140, 17032601, 34065202, 68130404, 85163005, 170326010, 340652020]

約数ペア:

[(1, 340652020), (2, 170326010), (4, 85163005), (5, 68130404), (10, 34065202), (20, 17032601), (43, 7922140), (86, 3961070), (172, 1980535), (215, 1584428), (430, 792214), (860, 396107)]