205836820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{8123}}^1$

素因数の和:8320

約数の個数: 48

約数和(自身を含む): 496798848

約数和(自身を除く): 290962028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 5068, 6335, 8123, 12670, 16246, 25340, 32492, 40615, 56861, 81230, 113722, 162460, 227444, 284305, 568610, 1137220, 1470263, 2940526, 5881052, 7351315, 10291841, 14702630, 20583682, 29405260, 41167364, 51459205, 102918410, 205836820]

約数ペア:

[(1, 205836820), (2, 102918410), (4, 51459205), (5, 41167364), (7, 29405260), (10, 20583682), (14, 14702630), (20, 10291841), (28, 7351315), (35, 5881052), (70, 2940526), (140, 1470263), (181, 1137220), (362, 568610), (724, 284305), (905, 227444), (1267, 162460), (1810, 113722), (2534, 81230), (3620, 56861), (5068, 40615), (6335, 32492), (8123, 25340), (12670, 16246)]