2109553400

素因数分解:

$2^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{76991}}^1$

素因数の和:77144

約数の個数: 48

約数和(自身を含む): 4940576640

約数和(自身を除く): 2831023240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 137, 200, 274, 548, 685, 1096, 1370, 2740, 3425, 5480, 6850, 13700, 27400, 76991, 153982, 307964, 384955, 615928, 769910, 1539820, 1924775, 3079640, 3849550, 7699100, 10547767, 15398200, 21095534, 42191068, 52738835, 84382136, 105477670, 210955340, 263694175, 421910680, 527388350, 1054776700, 2109553400]

約数ペア:

[(1, 2109553400), (2, 1054776700), (4, 527388350), (5, 421910680), (8, 263694175), (10, 210955340), (20, 105477670), (25, 84382136), (40, 52738835), (50, 42191068), (100, 21095534), (137, 15398200), (200, 10547767), (274, 7699100), (548, 3849550), (685, 3079640), (1096, 1924775), (1370, 1539820), (2740, 769910), (3425, 615928), (5480, 384955), (6850, 307964), (13700, 153982), (27400, 76991)]