138027800

素因数分解:

$2^3\times 5^2\times {\mathrm{690139}}^1$

素因数の和:690155

約数の個数: 24

約数和(自身を含む): 320915100

約数和(自身を除く): 182887300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 690139, 1380278, 2760556, 3450695, 5521112, 6901390, 13802780, 17253475, 27605560, 34506950, 69013900, 138027800]

約数ペア:

[(1, 138027800), (2, 69013900), (4, 34506950), (5, 27605560), (8, 17253475), (10, 13802780), (20, 6901390), (25, 5521112), (40, 3450695), (50, 2760556), (100, 1380278), (200, 690139)]