438855730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{2753}}^1$

素因数の和:3618

約数の個数: 32

約数和(自身を含む): 832809600

約数和(自身を除く): 393953870

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 839, 1678, 2753, 4195, 5506, 8390, 13765, 15941, 27530, 31882, 52307, 79705, 104614, 159410, 261535, 523070, 2309767, 4619534, 11548835, 23097670, 43885573, 87771146, 219427865, 438855730]

約数ペア:

[(1, 438855730), (2, 219427865), (5, 87771146), (10, 43885573), (19, 23097670), (38, 11548835), (95, 4619534), (190, 2309767), (839, 523070), (1678, 261535), (2753, 159410), (4195, 104614), (5506, 79705), (8390, 52307), (13765, 31882), (15941, 27530)]