278399052160

素因数分解:

$2^7\times 5^1\times {\mathrm{434998519}}^1$

素因数の和:434998538

約数の個数: 32

約数和(自身を含む): 665547735600

約数和(自身を除く): 387148683440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 434998519, 869997038, 1739994076, 2174992595, 3479988152, 4349985190, 6959976304, 8699970380, 13919952608, 17399940760, 27839905216, 34799881520, 55679810432, 69599763040, 139199526080, 278399052160]

約数ペア:

[(1, 278399052160), (2, 139199526080), (4, 69599763040), (5, 55679810432), (8, 34799881520), (10, 27839905216), (16, 17399940760), (20, 13919952608), (32, 8699970380), (40, 6959976304), (64, 4349985190), (80, 3479988152), (128, 2174992595), (160, 1739994076), (320, 869997038), (640, 434998519)]