201450280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{36761}}^1$

素因数の和:36909

約数の個数: 32

約数和(自身を含む): 456584040

約数和(自身を除く): 255133760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 36761, 73522, 147044, 183805, 294088, 367610, 735220, 1470440, 5036257, 10072514, 20145028, 25181285, 40290056, 50362570, 100725140, 201450280]

約数ペア:

[(1, 201450280), (2, 100725140), (4, 50362570), (5, 40290056), (8, 25181285), (10, 20145028), (20, 10072514), (40, 5036257), (137, 1470440), (274, 735220), (548, 367610), (685, 294088), (1096, 183805), (1370, 147044), (2740, 73522), (5480, 36761)]