199387840

素因数分解:

$2^6\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1439}}^1$

素因数の和:1889

約数の個数: 56

約数和(自身を含む): 476219520

約数和(自身を除く): 276831680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 433, 866, 1439, 1732, 2165, 2878, 3464, 4330, 5756, 6928, 7195, 8660, 11512, 13856, 14390, 17320, 23024, 27712, 28780, 34640, 46048, 57560, 69280, 92096, 115120, 138560, 230240, 460480, 623087, 1246174, 2492348, 3115435, 4984696, 6230870, 9969392, 12461740, 19938784, 24923480, 39877568, 49846960, 99693920, 199387840]

約数ペア:

[(1, 199387840), (2, 99693920), (4, 49846960), (5, 39877568), (8, 24923480), (10, 19938784), (16, 12461740), (20, 9969392), (32, 6230870), (40, 4984696), (64, 3115435), (80, 2492348), (160, 1246174), (320, 623087), (433, 460480), (866, 230240), (1439, 138560), (1732, 115120), (2165, 92096), (2878, 69280), (3464, 57560), (4330, 46048), (5756, 34640), (6928, 28780), (7195, 27712), (8660, 23024), (11512, 17320), (13856, 14390)]