9947740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 23063040

約数和(自身を除く): 13115300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 439, 515, 878, 1030, 1133, 1756, 2060, 2195, 2266, 4390, 4532, 4829, 5665, 8780, 9658, 11330, 19316, 22660, 24145, 45217, 48290, 90434, 96580, 180868, 226085, 452170, 497387, 904340, 994774, 1989548, 2486935, 4973870, 9947740]

約数ペア:

[(1, 9947740), (2, 4973870), (4, 2486935), (5, 1989548), (10, 994774), (11, 904340), (20, 497387), (22, 452170), (44, 226085), (55, 180868), (103, 96580), (110, 90434), (206, 48290), (220, 45217), (412, 24145), (439, 22660), (515, 19316), (878, 11330), (1030, 9658), (1133, 8780), (1756, 5665), (2060, 4829), (2195, 4532), (2266, 4390)]