261046460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{839}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 562222080

約数和(自身を除く): 301175620

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 331, 470, 662, 839, 940, 1324, 1655, 1678, 3310, 3356, 4195, 6620, 8390, 15557, 16780, 31114, 39433, 62228, 77785, 78866, 155570, 157732, 197165, 277709, 311140, 394330, 555418, 788660, 1110836, 1388545, 2777090, 5554180, 13052323, 26104646, 52209292, 65261615, 130523230, 261046460]

約数ペア:

[(1, 261046460), (2, 130523230), (4, 65261615), (5, 52209292), (10, 26104646), (20, 13052323), (47, 5554180), (94, 2777090), (188, 1388545), (235, 1110836), (331, 788660), (470, 555418), (662, 394330), (839, 311140), (940, 277709), (1324, 197165), (1655, 157732), (1678, 155570), (3310, 78866), (3356, 77785), (4195, 62228), (6620, 39433), (8390, 31114), (15557, 16780)]