127246840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{454453}}^1$

素因数の和:454471

約数の個数: 32

約数和(自身を含む): 327206880

約数和(自身を除く): 199960040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 454453, 908906, 1817812, 2272265, 3181171, 3635624, 4544530, 6362342, 9089060, 12724684, 15905855, 18178120, 25449368, 31811710, 63623420, 127246840]

約数ペア:

[(1, 127246840), (2, 63623420), (4, 31811710), (5, 25449368), (7, 18178120), (8, 15905855), (10, 12724684), (14, 9089060), (20, 6362342), (28, 4544530), (35, 3635624), (40, 3181171), (56, 2272265), (70, 1817812), (140, 908906), (280, 454453)]