305111680

素因数分解:

$2^7\times 5^1\times {\mathrm{476737}}^1$

素因数の和:476756

約数の個数: 32

約数和(自身を含む): 729409140

約数和(自身を除く): 424297460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 476737, 953474, 1906948, 2383685, 3813896, 4767370, 7627792, 9534740, 15255584, 19069480, 30511168, 38138960, 61022336, 76277920, 152555840, 305111680]

約数ペア:

[(1, 305111680), (2, 152555840), (4, 76277920), (5, 61022336), (8, 38138960), (10, 30511168), (16, 19069480), (20, 15255584), (32, 9534740), (40, 7627792), (64, 4767370), (80, 3813896), (128, 2383685), (160, 1906948), (320, 953474), (640, 476737)]