30731900

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1609}}^1$

素因数の和:1814

約数の個数: 36

約数和(自身を含む): 67079040

約数和(自身を除く): 36347140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 764, 955, 1609, 1910, 3218, 3820, 4775, 6436, 8045, 9550, 16090, 19100, 32180, 40225, 80450, 160900, 307319, 614638, 1229276, 1536595, 3073190, 6146380, 7682975, 15365950, 30731900]

約数ペア:

[(1, 30731900), (2, 15365950), (4, 7682975), (5, 6146380), (10, 3073190), (20, 1536595), (25, 1229276), (50, 614638), (100, 307319), (191, 160900), (382, 80450), (764, 40225), (955, 32180), (1609, 19100), (1910, 16090), (3218, 9550), (3820, 8045), (4775, 6436)]