257042220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4284037}}^1$

素因数の和:4284049

約数の個数: 24

約数和(自身を含む): 719718384

約数和(自身を除く): 462676164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4284037, 8568074, 12852111, 17136148, 21420185, 25704222, 42840370, 51408444, 64260555, 85680740, 128521110, 257042220]

約数ペア:

[(1, 257042220), (2, 128521110), (3, 85680740), (4, 64260555), (5, 51408444), (6, 42840370), (10, 25704222), (12, 21420185), (15, 17136148), (20, 12852111), (30, 8568074), (60, 4284037)]