403846820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1069}}^1\times {\mathrm{1453}}^1$

素因数の和:2544

約数の個数: 48

約数和(自身を含む): 914798640

約数和(自身を除く): 510951820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1069, 1453, 2138, 2906, 4276, 5345, 5812, 7265, 10690, 13897, 14530, 18889, 21380, 27794, 29060, 37778, 55588, 69485, 75556, 94445, 138970, 188890, 277940, 377780, 1553257, 3106514, 6213028, 7766285, 15532570, 20192341, 31065140, 40384682, 80769364, 100961705, 201923410, 403846820]

約数ペア:

[(1, 403846820), (2, 201923410), (4, 100961705), (5, 80769364), (10, 40384682), (13, 31065140), (20, 20192341), (26, 15532570), (52, 7766285), (65, 6213028), (130, 3106514), (260, 1553257), (1069, 377780), (1453, 277940), (2138, 188890), (2906, 138970), (4276, 94445), (5345, 75556), (5812, 69485), (7265, 55588), (10690, 37778), (13897, 29060), (14530, 27794), (18889, 21380)]