238917280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{213319}}^1$

素因数の和:213341

約数の個数: 48

約数和(自身を含む): 645079680

約数和(自身を除く): 406162400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 213319, 426638, 853276, 1066595, 1493233, 1706552, 2133190, 2986466, 3413104, 4266380, 5972932, 6826208, 7466165, 8532760, 11945864, 14932330, 17065520, 23891728, 29864660, 34131040, 47783456, 59729320, 119458640, 238917280]

約数ペア:

[(1, 238917280), (2, 119458640), (4, 59729320), (5, 47783456), (7, 34131040), (8, 29864660), (10, 23891728), (14, 17065520), (16, 14932330), (20, 11945864), (28, 8532760), (32, 7466165), (35, 6826208), (40, 5972932), (56, 4266380), (70, 3413104), (80, 2986466), (112, 2133190), (140, 1706552), (160, 1493233), (224, 1066595), (280, 853276), (560, 426638), (1120, 213319)]