242796680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{867131}}^1$

素因数の和:867149

約数の個数: 32

約数和(自身を含む): 624335040

約数和(自身を除く): 381538360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 867131, 1734262, 3468524, 4335655, 6069917, 6937048, 8671310, 12139834, 17342620, 24279668, 30349585, 34685240, 48559336, 60699170, 121398340, 242796680]

約数ペア:

[(1, 242796680), (2, 121398340), (4, 60699170), (5, 48559336), (7, 34685240), (8, 30349585), (10, 24279668), (14, 17342620), (20, 12139834), (28, 8671310), (35, 6937048), (40, 6069917), (56, 4335655), (70, 3468524), (140, 1734262), (280, 867131)]