153771880

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{17239}}^1$

素因数の和:17473

約数の個数: 32

約数和(自身を含む): 347558400

約数和(自身を除く): 193786520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 17239, 34478, 68956, 86195, 137912, 172390, 344780, 689560, 3844297, 7688594, 15377188, 19221485, 30754376, 38442970, 76885940, 153771880]

約数ペア:

[(1, 153771880), (2, 76885940), (4, 38442970), (5, 30754376), (8, 19221485), (10, 15377188), (20, 7688594), (40, 3844297), (223, 689560), (446, 344780), (892, 172390), (1115, 137912), (1784, 86195), (2230, 68956), (4460, 34478), (8920, 17239)]