68488840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244603}}^1$

素因数の和:244621

約数の個数: 32

約数和(自身を含む): 176114880

約数和(自身を除く): 107626040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244603, 489206, 978412, 1223015, 1712221, 1956824, 2446030, 3424442, 4892060, 6848884, 8561105, 9784120, 13697768, 17122210, 34244420, 68488840]

約数ペア:

[(1, 68488840), (2, 34244420), (4, 17122210), (5, 13697768), (7, 9784120), (8, 8561105), (10, 6848884), (14, 4892060), (20, 3424442), (28, 2446030), (35, 1956824), (40, 1712221), (56, 1223015), (70, 978412), (140, 489206), (280, 244603)]