205466240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{45863}}^1$

素因数の和:45889

約数の個数: 64

約数和(自身を含む): 561375360

約数和(自身を除く): 355909120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 45863, 91726, 183452, 229315, 321041, 366904, 458630, 642082, 733808, 917260, 1284164, 1467616, 1605205, 1834520, 2568328, 2935232, 3210410, 3669040, 5136656, 5870464, 6420820, 7338080, 10273312, 12841640, 14676160, 20546624, 25683280, 29352320, 41093248, 51366560, 102733120, 205466240]

約数ペア:

[(1, 205466240), (2, 102733120), (4, 51366560), (5, 41093248), (7, 29352320), (8, 25683280), (10, 20546624), (14, 14676160), (16, 12841640), (20, 10273312), (28, 7338080), (32, 6420820), (35, 5870464), (40, 5136656), (56, 3669040), (64, 3210410), (70, 2935232), (80, 2568328), (112, 1834520), (128, 1605205), (140, 1467616), (160, 1284164), (224, 917260), (280, 733808), (320, 642082), (448, 458630), (560, 366904), (640, 321041), (896, 229315), (1120, 183452), (2240, 91726), (4480, 45863)]