212794550

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{47819}}^1$

素因数の和:47920

約数の個数: 24

約数和(自身を含む): 400253400

約数和(自身を除く): 187458850

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 47819, 95638, 239095, 478190, 1195475, 2390950, 4255891, 8511782, 21279455, 42558910, 106397275, 212794550]

約数ペア:

[(1, 212794550), (2, 106397275), (5, 42558910), (10, 21279455), (25, 8511782), (50, 4255891), (89, 2390950), (178, 1195475), (445, 478190), (890, 239095), (2225, 95638), (4450, 47819)]