199643560

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{5431}}^1$

素因数の和:6361

約数の個数: 32

約数和(自身を含む): 449769600

約数和(自身を除く): 250126040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1838, 3676, 4595, 5431, 7352, 9190, 10862, 18380, 21724, 27155, 36760, 43448, 54310, 108620, 217240, 4991089, 9982178, 19964356, 24955445, 39928712, 49910890, 99821780, 199643560]

約数ペア:

[(1, 199643560), (2, 99821780), (4, 49910890), (5, 39928712), (8, 24955445), (10, 19964356), (20, 9982178), (40, 4991089), (919, 217240), (1838, 108620), (3676, 54310), (4595, 43448), (5431, 36760), (7352, 27155), (9190, 21724), (10862, 18380)]