30991340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91151}}^1$

素因数の和:91177

約数の個数: 24

約数和(自身を含む): 68910912

約数和(自身を除く): 37919572

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91151, 182302, 364604, 455755, 911510, 1549567, 1823020, 3099134, 6198268, 7747835, 15495670, 30991340]

約数ペア:

[(1, 30991340), (2, 15495670), (4, 7747835), (5, 6198268), (10, 3099134), (17, 1823020), (20, 1549567), (34, 911510), (68, 455755), (85, 364604), (170, 182302), (340, 91151)]