297777280

素因数分解:

$2^7\times 5^1\times {\mathrm{465277}}^1$

素因数の和:465296

約数の個数: 32

約数和(自身を含む): 711875340

約数和(自身を除く): 414098060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 465277, 930554, 1861108, 2326385, 3722216, 4652770, 7444432, 9305540, 14888864, 18611080, 29777728, 37222160, 59555456, 74444320, 148888640, 297777280]

約数ペア:

[(1, 297777280), (2, 148888640), (4, 74444320), (5, 59555456), (8, 37222160), (10, 29777728), (16, 18611080), (20, 14888864), (32, 9305540), (40, 7444432), (64, 4652770), (80, 3722216), (128, 2326385), (160, 1861108), (320, 930554), (640, 465277)]