149789020

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{28477}}^1$

素因数の和:28749

約数の個数: 24

約数和(自身を含む): 315764064

約数和(自身を除く): 165975044

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 28477, 56954, 113908, 142385, 284770, 569540, 7489451, 14978902, 29957804, 37447255, 74894510, 149789020]

約数ペア:

[(1, 149789020), (2, 74894510), (4, 37447255), (5, 29957804), (10, 14978902), (20, 7489451), (263, 569540), (526, 284770), (1052, 142385), (1315, 113908), (2630, 56954), (5260, 28477)]