313619240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{5441}}^1$

素因数の和:5594

約数の個数: 64

約数和(自身を含む): 775811520

約数和(自身を除く): 462192280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 262, 440, 524, 655, 1048, 1310, 1441, 2620, 2882, 5240, 5441, 5764, 7205, 10882, 11528, 14410, 21764, 27205, 28820, 43528, 54410, 57640, 59851, 108820, 119702, 217640, 239404, 299255, 478808, 598510, 712771, 1197020, 1425542, 2394040, 2851084, 3563855, 5702168, 7127710, 7840481, 14255420, 15680962, 28510840, 31361924, 39202405, 62723848, 78404810, 156809620, 313619240]

約数ペア:

[(1, 313619240), (2, 156809620), (4, 78404810), (5, 62723848), (8, 39202405), (10, 31361924), (11, 28510840), (20, 15680962), (22, 14255420), (40, 7840481), (44, 7127710), (55, 5702168), (88, 3563855), (110, 2851084), (131, 2394040), (220, 1425542), (262, 1197020), (440, 712771), (524, 598510), (655, 478808), (1048, 299255), (1310, 239404), (1441, 217640), (2620, 119702), (2882, 108820), (5240, 59851), (5441, 57640), (5764, 54410), (7205, 43528), (10882, 28820), (11528, 27205), (14410, 21764)]