138566260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1871}}^1$

素因数の和:1933

約数の個数: 72

約数和(自身を含む): 347832576

約数和(自身を除く): 209266316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 529, 644, 805, 1058, 1610, 1871, 2116, 2645, 3220, 3703, 3742, 5290, 7406, 7484, 9355, 10580, 13097, 14812, 18515, 18710, 26194, 37030, 37420, 43033, 52388, 65485, 74060, 86066, 130970, 172132, 215165, 261940, 301231, 430330, 602462, 860660, 989759, 1204924, 1506155, 1979518, 3012310, 3959036, 4948795, 6024620, 6928313, 9897590, 13856626, 19795180, 27713252, 34641565, 69283130, 138566260]

約数ペア:

[(1, 138566260), (2, 69283130), (4, 34641565), (5, 27713252), (7, 19795180), (10, 13856626), (14, 9897590), (20, 6928313), (23, 6024620), (28, 4948795), (35, 3959036), (46, 3012310), (70, 1979518), (92, 1506155), (115, 1204924), (140, 989759), (161, 860660), (230, 602462), (322, 430330), (460, 301231), (529, 261940), (644, 215165), (805, 172132), (1058, 130970), (1610, 86066), (1871, 74060), (2116, 65485), (2645, 52388), (3220, 43033), (3703, 37420), (3742, 37030), (5290, 26194), (7406, 18710), (7484, 18515), (9355, 14812), (10580, 13097)]