140509852

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 303367680

約数和(自身を除く): 162857828

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 71, 92, 98, 142, 161, 196, 284, 322, 439, 497, 644, 878, 994, 1127, 1633, 1756, 1988, 2254, 3073, 3266, 3479, 4508, 6146, 6532, 6958, 10097, 11431, 12292, 13916, 20194, 21511, 22862, 31169, 40388, 43022, 45724, 62338, 70679, 80017, 86044, 124676, 141358, 160034, 218183, 282716, 320068, 436366, 494753, 716887, 872732, 989506, 1433774, 1527281, 1979012, 2867548, 3054562, 5018209, 6109124, 10036418, 20072836, 35127463, 70254926, 140509852]

約数ペア:

[(1, 140509852), (2, 70254926), (4, 35127463), (7, 20072836), (14, 10036418), (23, 6109124), (28, 5018209), (46, 3054562), (49, 2867548), (71, 1979012), (92, 1527281), (98, 1433774), (142, 989506), (161, 872732), (196, 716887), (284, 494753), (322, 436366), (439, 320068), (497, 282716), (644, 218183), (878, 160034), (994, 141358), (1127, 124676), (1633, 86044), (1756, 80017), (1988, 70679), (2254, 62338), (3073, 45724), (3266, 43022), (3479, 40388), (4508, 31169), (6146, 22862), (6532, 21511), (6958, 20194), (10097, 13916), (11431, 12292)]