68358820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{787}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 148534848

約数和(自身を除く): 80176028

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 172, 202, 215, 404, 430, 505, 787, 860, 1010, 1574, 2020, 3148, 3935, 4343, 7870, 8686, 15740, 17372, 21715, 33841, 43430, 67682, 79487, 86860, 135364, 158974, 169205, 317948, 338410, 397435, 676820, 794870, 1589740, 3417941, 6835882, 13671764, 17089705, 34179410, 68358820]

約数ペア:

[(1, 68358820), (2, 34179410), (4, 17089705), (5, 13671764), (10, 6835882), (20, 3417941), (43, 1589740), (86, 794870), (101, 676820), (172, 397435), (202, 338410), (215, 317948), (404, 169205), (430, 158974), (505, 135364), (787, 86860), (860, 79487), (1010, 67682), (1574, 43430), (2020, 33841), (3148, 21715), (3935, 17372), (4343, 15740), (7870, 8686)]