1568848900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1129

約数の個数: 72

約数和(自身を含む): 3461169096

約数和(自身を除く): 1892320196

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 197, 388, 394, 485, 788, 821, 970, 985, 1642, 1940, 1970, 2425, 3284, 3940, 4105, 4850, 4925, 8210, 9700, 9850, 16420, 19109, 19700, 20525, 38218, 41050, 76436, 79637, 82100, 95545, 159274, 161737, 191090, 318548, 323474, 382180, 398185, 477725, 646948, 796370, 808685, 955450, 1592740, 1617370, 1910900, 1990925, 3234740, 3981850, 4043425, 7963700, 8086850, 15688489, 16173700, 31376978, 62753956, 78442445, 156884890, 313769780, 392212225, 784424450, 1568848900]

約数ペア:

[(1, 1568848900), (2, 784424450), (4, 392212225), (5, 313769780), (10, 156884890), (20, 78442445), (25, 62753956), (50, 31376978), (97, 16173700), (100, 15688489), (194, 8086850), (197, 7963700), (388, 4043425), (394, 3981850), (485, 3234740), (788, 1990925), (821, 1910900), (970, 1617370), (985, 1592740), (1642, 955450), (1940, 808685), (1970, 796370), (2425, 646948), (3284, 477725), (3940, 398185), (4105, 382180), (4850, 323474), (4925, 318548), (8210, 191090), (9700, 161737), (9850, 159274), (16420, 95545), (19109, 82100), (19700, 79637), (20525, 76436), (38218, 41050)]