858444740

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{313301}}^1$

素因数の和:313447

約数の個数: 24

約数和(自身を含む): 1815898392

約数和(自身を除く): 957453652

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 313301, 626602, 1253204, 1566505, 3133010, 6266020, 42922237, 85844474, 171688948, 214611185, 429222370, 858444740]

約数ペア:

[(1, 858444740), (2, 429222370), (4, 214611185), (5, 171688948), (10, 85844474), (20, 42922237), (137, 6266020), (274, 3133010), (548, 1566505), (685, 1253204), (1370, 626602), (2740, 313301)]