320042680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{470651}}^1$

素因数の和:470679

約数の個数: 32

約数和(自身を含む): 762456240

約数和(自身を除く): 442413560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 470651, 941302, 1882604, 2353255, 3765208, 4706510, 8001067, 9413020, 16002134, 18826040, 32004268, 40005335, 64008536, 80010670, 160021340, 320042680]

約数ペア:

[(1, 320042680), (2, 160021340), (4, 80010670), (5, 64008536), (8, 40005335), (10, 32004268), (17, 18826040), (20, 16002134), (34, 9413020), (40, 8001067), (68, 4706510), (85, 3765208), (136, 2353255), (170, 1882604), (340, 941302), (680, 470651)]