165655420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{2671}}^1$

素因数の和:3130

約数の個数: 48

約数和(自身を含む): 398619648

約数和(自身を除く): 232964228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 443, 886, 1772, 2215, 2671, 3101, 4430, 5342, 6202, 8860, 10684, 12404, 13355, 15505, 18697, 26710, 31010, 37394, 53420, 62020, 74788, 93485, 186970, 373940, 1183253, 2366506, 4733012, 5916265, 8282771, 11832530, 16565542, 23665060, 33131084, 41413855, 82827710, 165655420]

約数ペア:

[(1, 165655420), (2, 82827710), (4, 41413855), (5, 33131084), (7, 23665060), (10, 16565542), (14, 11832530), (20, 8282771), (28, 5916265), (35, 4733012), (70, 2366506), (140, 1183253), (443, 373940), (886, 186970), (1772, 93485), (2215, 74788), (2671, 62020), (3101, 53420), (4430, 37394), (5342, 31010), (6202, 26710), (8860, 18697), (10684, 15505), (12404, 13355)]