31281140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4903}}^1$

素因数の和:4952

約数の個数: 48

約数和(自身を含む): 74148480

約数和(自身を除く): 42867340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 4903, 6380, 9806, 19612, 24515, 49030, 53933, 98060, 107866, 142187, 215732, 269665, 284374, 539330, 568748, 710935, 1078660, 1421870, 1564057, 2843740, 3128114, 6256228, 7820285, 15640570, 31281140]

約数ペア:

[(1, 31281140), (2, 15640570), (4, 7820285), (5, 6256228), (10, 3128114), (11, 2843740), (20, 1564057), (22, 1421870), (29, 1078660), (44, 710935), (55, 568748), (58, 539330), (110, 284374), (116, 269665), (145, 215732), (220, 142187), (290, 107866), (319, 98060), (580, 53933), (638, 49030), (1276, 24515), (1595, 19612), (3190, 9806), (4903, 6380)]