209329280

素因数分解:

$2^7\times 5^1\times {\mathrm{379}}^1\times {\mathrm{863}}^1$

素因数の和:1261

約数の個数: 64

約数和(自身を含む): 502329600

約数和(自身を除く): 293000320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 379, 640, 758, 863, 1516, 1726, 1895, 3032, 3452, 3790, 4315, 6064, 6904, 7580, 8630, 12128, 13808, 15160, 17260, 24256, 27616, 30320, 34520, 48512, 55232, 60640, 69040, 110464, 121280, 138080, 242560, 276160, 327077, 552320, 654154, 1308308, 1635385, 2616616, 3270770, 5233232, 6541540, 10466464, 13083080, 20932928, 26166160, 41865856, 52332320, 104664640, 209329280]

約数ペア:

[(1, 209329280), (2, 104664640), (4, 52332320), (5, 41865856), (8, 26166160), (10, 20932928), (16, 13083080), (20, 10466464), (32, 6541540), (40, 5233232), (64, 3270770), (80, 2616616), (128, 1635385), (160, 1308308), (320, 654154), (379, 552320), (640, 327077), (758, 276160), (863, 242560), (1516, 138080), (1726, 121280), (1895, 110464), (3032, 69040), (3452, 60640), (3790, 55232), (4315, 48512), (6064, 34520), (6904, 30320), (7580, 27616), (8630, 24256), (12128, 17260), (13808, 15160)]