28372740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42989}}^1$

素因数の和:43012

約数の個数: 48

約数和(自身を含む): 86667840

約数和(自身を除く): 58295100

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 42989, 85978, 128967, 171956, 214945, 257934, 429890, 472879, 515868, 644835, 859780, 945758, 1289670, 1418637, 1891516, 2364395, 2579340, 2837274, 4728790, 5674548, 7093185, 9457580, 14186370, 28372740]

約数ペア:

[(1, 28372740), (2, 14186370), (3, 9457580), (4, 7093185), (5, 5674548), (6, 4728790), (10, 2837274), (11, 2579340), (12, 2364395), (15, 1891516), (20, 1418637), (22, 1289670), (30, 945758), (33, 859780), (44, 644835), (55, 515868), (60, 472879), (66, 429890), (110, 257934), (132, 214945), (165, 171956), (220, 128967), (330, 85978), (660, 42989)]