208032140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{547453}}^1$

素因数の和:547481

約数の個数: 24

約数和(自身を含む): 459861360

約数和(自身を除く): 251829220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 547453, 1094906, 2189812, 2737265, 5474530, 10401607, 10949060, 20803214, 41606428, 52008035, 104016070, 208032140]

約数ペア:

[(1, 208032140), (2, 104016070), (4, 52008035), (5, 41606428), (10, 20803214), (19, 10949060), (20, 10401607), (38, 5474530), (76, 2737265), (95, 2189812), (190, 1094906), (380, 547453)]