209313280

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7433}}^1$

素因数の和:7467

約数の個数: 80

約数和(自身を含む): 547558704

約数和(自身を除く): 338245424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 7433, 14080, 14866, 28160, 29732, 37165, 59464, 74330, 81763, 118928, 148660, 163526, 237856, 297320, 327052, 408815, 475712, 594640, 654104, 817630, 951424, 1189280, 1308208, 1635260, 1902848, 2378560, 2616416, 3270520, 3805696, 4757120, 5232832, 6541040, 9514240, 10465664, 13082080, 19028480, 20931328, 26164160, 41862656, 52328320, 104656640, 209313280]

約数ペア:

[(1, 209313280), (2, 104656640), (4, 52328320), (5, 41862656), (8, 26164160), (10, 20931328), (11, 19028480), (16, 13082080), (20, 10465664), (22, 9514240), (32, 6541040), (40, 5232832), (44, 4757120), (55, 3805696), (64, 3270520), (80, 2616416), (88, 2378560), (110, 1902848), (128, 1635260), (160, 1308208), (176, 1189280), (220, 951424), (256, 817630), (320, 654104), (352, 594640), (440, 475712), (512, 408815), (640, 327052), (704, 297320), (880, 237856), (1280, 163526), (1408, 148660), (1760, 118928), (2560, 81763), (2816, 74330), (3520, 59464), (5632, 37165), (7040, 29732), (7433, 28160), (14080, 14866)]