784913140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1229}}^1\times {\mathrm{2903}}^1$

素因数の和:4152

約数の個数: 48

約数和(自身を含む): 1800247680

約数和(自身を除く): 1015334540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1229, 2458, 2903, 4916, 5806, 6145, 11612, 12290, 13519, 14515, 24580, 27038, 29030, 31933, 54076, 58060, 63866, 67595, 127732, 135190, 159665, 270380, 319330, 638660, 3567787, 7135574, 14271148, 17838935, 35677870, 39245657, 71355740, 78491314, 156982628, 196228285, 392456570, 784913140]

約数ペア:

[(1, 784913140), (2, 392456570), (4, 196228285), (5, 156982628), (10, 78491314), (11, 71355740), (20, 39245657), (22, 35677870), (44, 17838935), (55, 14271148), (110, 7135574), (220, 3567787), (1229, 638660), (2458, 319330), (2903, 270380), (4916, 159665), (5806, 135190), (6145, 127732), (11612, 67595), (12290, 63866), (13519, 58060), (14515, 54076), (24580, 31933), (27038, 29030)]