84047900

素因数分解:

$2^2\times 5^2\times {\mathrm{840479}}^1$

素因数の和:840493

約数の個数: 18

約数和(自身を含む): 182384160

約数和(自身を除く): 98336260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 840479, 1680958, 3361916, 4202395, 8404790, 16809580, 21011975, 42023950, 84047900]

約数ペア:

[(1, 84047900), (2, 42023950), (4, 21011975), (5, 16809580), (10, 8404790), (20, 4202395), (25, 3361916), (50, 1680958), (100, 840479)]