394061920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{50263}}^1$

素因数の和:50292

約数の個数: 72

約数和(自身を含む): 1082988144

約数和(自身を除く): 688926224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 50263, 100526, 201052, 251315, 351841, 402104, 502630, 703682, 804208, 1005260, 1407364, 1608416, 1759205, 2010520, 2462887, 2814728, 3518410, 4021040, 4925774, 5629456, 7036820, 8042080, 9851548, 11258912, 12314435, 14073640, 19703096, 24628870, 28147280, 39406192, 49257740, 56294560, 78812384, 98515480, 197030960, 394061920]

約数ペア:

[(1, 394061920), (2, 197030960), (4, 98515480), (5, 78812384), (7, 56294560), (8, 49257740), (10, 39406192), (14, 28147280), (16, 24628870), (20, 19703096), (28, 14073640), (32, 12314435), (35, 11258912), (40, 9851548), (49, 8042080), (56, 7036820), (70, 5629456), (80, 4925774), (98, 4021040), (112, 3518410), (140, 2814728), (160, 2462887), (196, 2010520), (224, 1759205), (245, 1608416), (280, 1407364), (392, 1005260), (490, 804208), (560, 703682), (784, 502630), (980, 402104), (1120, 351841), (1568, 251315), (1960, 201052), (3920, 100526), (7840, 50263)]