199430900

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{14557}}^1$

素因数の和:14708

約数の個数: 36

約数和(自身を含む): 435953868

約数和(自身を除く): 236522968

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1370, 2740, 3425, 6850, 13700, 14557, 29114, 58228, 72785, 145570, 291140, 363925, 727850, 1455700, 1994309, 3988618, 7977236, 9971545, 19943090, 39886180, 49857725, 99715450, 199430900]

約数ペア:

[(1, 199430900), (2, 99715450), (4, 49857725), (5, 39886180), (10, 19943090), (20, 9971545), (25, 7977236), (50, 3988618), (100, 1994309), (137, 1455700), (274, 727850), (548, 363925), (685, 291140), (1370, 145570), (2740, 72785), (3425, 58228), (6850, 29114), (13700, 14557)]