7028061380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{69709}}^1$

素因数の和:69860

約数の個数: 36

約数和(自身を含む): 14969943660

約数和(自身を除く): 7941882280

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5041, 10082, 20164, 25205, 50410, 69709, 100820, 139418, 278836, 348545, 697090, 1394180, 4949339, 9898678, 19797356, 24746695, 49493390, 98986780, 351403069, 702806138, 1405612276, 1757015345, 3514030690, 7028061380]

約数ペア:

[(1, 7028061380), (2, 3514030690), (4, 1757015345), (5, 1405612276), (10, 702806138), (20, 351403069), (71, 98986780), (142, 49493390), (284, 24746695), (355, 19797356), (710, 9898678), (1420, 4949339), (5041, 1394180), (10082, 697090), (20164, 348545), (25205, 278836), (50410, 139418), (69709, 100820)]