198924160

素因数分解:

$2^7\times 5^1\times {\mathrm{310819}}^1$

素因数の和:310838

約数の個数: 32

約数和(自身を含む): 475554600

約数和(自身を除く): 276630440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 310819, 621638, 1243276, 1554095, 2486552, 3108190, 4973104, 6216380, 9946208, 12432760, 19892416, 24865520, 39784832, 49731040, 99462080, 198924160]

約数ペア:

[(1, 198924160), (2, 99462080), (4, 49731040), (5, 39784832), (8, 24865520), (10, 19892416), (16, 12432760), (20, 9946208), (32, 6216380), (40, 4973104), (64, 3108190), (80, 2486552), (128, 1554095), (160, 1243276), (320, 621638), (640, 310819)]