212934100

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{15319}}^1$

素因数の和:15472

約数の個数: 36

約数和(自身を含む): 465421600

約数和(自身を除く): 252487500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 6950, 13900, 15319, 30638, 61276, 76595, 153190, 306380, 382975, 765950, 1531900, 2129341, 4258682, 8517364, 10646705, 21293410, 42586820, 53233525, 106467050, 212934100]

約数ペア:

[(1, 212934100), (2, 106467050), (4, 53233525), (5, 42586820), (10, 21293410), (20, 10646705), (25, 8517364), (50, 4258682), (100, 2129341), (139, 1531900), (278, 765950), (556, 382975), (695, 306380), (1390, 153190), (2780, 76595), (3475, 61276), (6950, 30638), (13900, 15319)]