697137820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{10903}}^1$

素因数の和:11074

約数の個数: 48

約数和(自身を含む): 1538772480

約数和(自身を除く): 841634660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 460, 556, 695, 1390, 2780, 3197, 6394, 10903, 12788, 15985, 21806, 31970, 43612, 54515, 63940, 109030, 218060, 250769, 501538, 1003076, 1253845, 1515517, 2507690, 3031034, 5015380, 6062068, 7577585, 15155170, 30310340, 34856891, 69713782, 139427564, 174284455, 348568910, 697137820]

約数ペア:

[(1, 697137820), (2, 348568910), (4, 174284455), (5, 139427564), (10, 69713782), (20, 34856891), (23, 30310340), (46, 15155170), (92, 7577585), (115, 6062068), (139, 5015380), (230, 3031034), (278, 2507690), (460, 1515517), (556, 1253845), (695, 1003076), (1390, 501538), (2780, 250769), (3197, 218060), (6394, 109030), (10903, 63940), (12788, 54515), (15985, 43612), (21806, 31970)]