131110840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{468253}}^1$

素因数の和:468271

約数の個数: 32

約数和(自身を含む): 337142880

約数和(自身を除く): 206032040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 468253, 936506, 1873012, 2341265, 3277771, 3746024, 4682530, 6555542, 9365060, 13111084, 16388855, 18730120, 26222168, 32777710, 65555420, 131110840]

約数ペア:

[(1, 131110840), (2, 65555420), (4, 32777710), (5, 26222168), (7, 18730120), (8, 16388855), (10, 13111084), (14, 9365060), (20, 6555542), (28, 4682530), (35, 3746024), (40, 3277771), (56, 2341265), (70, 1873012), (140, 936506), (280, 468253)]