209617280

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3061}}^1$

素因数の和:3187

約数の個数: 64

約数和(自身を含む): 505964880

約数和(自身を除く): 296347600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 535, 640, 856, 1070, 1712, 2140, 3061, 3424, 4280, 6122, 6848, 8560, 12244, 13696, 15305, 17120, 24488, 30610, 34240, 48976, 61220, 68480, 97952, 122440, 195904, 244880, 327527, 391808, 489760, 655054, 979520, 1310108, 1637635, 1959040, 2620216, 3275270, 5240432, 6550540, 10480864, 13101080, 20961728, 26202160, 41923456, 52404320, 104808640, 209617280]

約数ペア:

[(1, 209617280), (2, 104808640), (4, 52404320), (5, 41923456), (8, 26202160), (10, 20961728), (16, 13101080), (20, 10480864), (32, 6550540), (40, 5240432), (64, 3275270), (80, 2620216), (107, 1959040), (128, 1637635), (160, 1310108), (214, 979520), (320, 655054), (428, 489760), (535, 391808), (640, 327527), (856, 244880), (1070, 195904), (1712, 122440), (2140, 97952), (3061, 68480), (3424, 61220), (4280, 48976), (6122, 34240), (6848, 30610), (8560, 24488), (12244, 17120), (13696, 15305)]