212420900

素因数分解:

$2^2\times 5^2\times {\mathrm{653}}^1\times {\mathrm{3253}}^1$

素因数の和:3920

約数の個数: 36

約数和(自身を含む): 461801172

約数和(自身を除く): 249380272

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 653, 1306, 2612, 3253, 3265, 6506, 6530, 13012, 13060, 16265, 16325, 32530, 32650, 65060, 65300, 81325, 162650, 325300, 2124209, 4248418, 8496836, 10621045, 21242090, 42484180, 53105225, 106210450, 212420900]

約数ペア:

[(1, 212420900), (2, 106210450), (4, 53105225), (5, 42484180), (10, 21242090), (20, 10621045), (25, 8496836), (50, 4248418), (100, 2124209), (653, 325300), (1306, 162650), (2612, 81325), (3253, 65300), (3265, 65060), (6506, 32650), (6530, 32530), (13012, 16325), (13060, 16265)]