313233280

素因数分解:

$2^7\times 5^1\times {\mathrm{489427}}^1$

素因数の和:489446

約数の個数: 32

約数和(自身を含む): 748824840

約数和(自身を除く): 435591560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 489427, 978854, 1957708, 2447135, 3915416, 4894270, 7830832, 9788540, 15661664, 19577080, 31323328, 39154160, 62646656, 78308320, 156616640, 313233280]

約数ペア:

[(1, 313233280), (2, 156616640), (4, 78308320), (5, 62646656), (8, 39154160), (10, 31323328), (16, 19577080), (20, 15661664), (32, 9788540), (40, 7830832), (64, 4894270), (80, 3915416), (128, 2447135), (160, 1957708), (320, 978854), (640, 489427)]