8713180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 22580208

約数和(自身を除く): 13867028

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 523, 595, 833, 980, 1046, 1190, 1666, 2092, 2380, 2615, 3332, 3661, 4165, 5230, 7322, 8330, 8891, 10460, 14644, 16660, 17782, 18305, 25627, 35564, 36610, 44455, 51254, 62237, 73220, 88910, 102508, 124474, 128135, 177820, 248948, 256270, 311185, 435659, 512540, 622370, 871318, 1244740, 1742636, 2178295, 4356590, 8713180]

約数ペア:

[(1, 8713180), (2, 4356590), (4, 2178295), (5, 1742636), (7, 1244740), (10, 871318), (14, 622370), (17, 512540), (20, 435659), (28, 311185), (34, 256270), (35, 248948), (49, 177820), (68, 128135), (70, 124474), (85, 102508), (98, 88910), (119, 73220), (140, 62237), (170, 51254), (196, 44455), (238, 36610), (245, 35564), (340, 25627), (476, 18305), (490, 17782), (523, 16660), (595, 14644), (833, 10460), (980, 8891), (1046, 8330), (1190, 7322), (1666, 5230), (2092, 4165), (2380, 3661), (2615, 3332)]