268688840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{959603}}^1$

素因数の和:959621

約数の個数: 32

約数和(自身を含む): 690914880

約数和(自身を除く): 422226040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 959603, 1919206, 3838412, 4798015, 6717221, 7676824, 9596030, 13434442, 19192060, 26868884, 33586105, 38384120, 53737768, 67172210, 134344420, 268688840]

約数ペア:

[(1, 268688840), (2, 134344420), (4, 67172210), (5, 53737768), (7, 38384120), (8, 33586105), (10, 26868884), (14, 19192060), (20, 13434442), (28, 9596030), (35, 7676824), (40, 6717221), (56, 4798015), (70, 3838412), (140, 1919206), (280, 959603)]