857203160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{19289}}^1$

素因数の和:19412

約数の個数: 64

約数和(自身を含む): 2124986400

約数和(自身を除く): 1267783240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 2020, 2222, 4040, 4444, 5555, 8888, 11110, 19289, 22220, 38578, 44440, 77156, 96445, 154312, 192890, 212179, 385780, 424358, 771560, 848716, 1060895, 1697432, 1948189, 2121790, 3896378, 4243580, 7792756, 8487160, 9740945, 15585512, 19481890, 21430079, 38963780, 42860158, 77927560, 85720316, 107150395, 171440632, 214300790, 428601580, 857203160]

約数ペア:

[(1, 857203160), (2, 428601580), (4, 214300790), (5, 171440632), (8, 107150395), (10, 85720316), (11, 77927560), (20, 42860158), (22, 38963780), (40, 21430079), (44, 19481890), (55, 15585512), (88, 9740945), (101, 8487160), (110, 7792756), (202, 4243580), (220, 3896378), (404, 2121790), (440, 1948189), (505, 1697432), (808, 1060895), (1010, 848716), (1111, 771560), (2020, 424358), (2222, 385780), (4040, 212179), (4444, 192890), (5555, 154312), (8888, 96445), (11110, 77156), (19289, 44440), (22220, 38578)]