28203030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16493}}^1$

素因数の和:16525

約数の個数: 48

約数和(自身を含む): 77191920

約数和(自身を除く): 48988890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 16493, 32986, 49479, 82465, 98958, 148437, 164930, 247395, 296874, 313367, 494790, 626734, 742185, 940101, 1484370, 1566835, 1880202, 2820303, 3133670, 4700505, 5640606, 9401010, 14101515, 28203030]

約数ペア:

[(1, 28203030), (2, 14101515), (3, 9401010), (5, 5640606), (6, 4700505), (9, 3133670), (10, 2820303), (15, 1880202), (18, 1566835), (19, 1484370), (30, 940101), (38, 742185), (45, 626734), (57, 494790), (90, 313367), (95, 296874), (114, 247395), (171, 164930), (190, 148437), (285, 98958), (342, 82465), (570, 49479), (855, 32986), (1710, 16493)]