70400680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251431}}^1$

素因数の和:251449

約数の個数: 32

約数和(自身を含む): 181031040

約数和(自身を除く): 110630360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 251431, 502862, 1005724, 1257155, 1760017, 2011448, 2514310, 3520034, 5028620, 7040068, 8800085, 10057240, 14080136, 17600170, 35200340, 70400680]

約数ペア:

[(1, 70400680), (2, 35200340), (4, 17600170), (5, 14080136), (7, 10057240), (8, 8800085), (10, 7040068), (14, 5028620), (20, 3520034), (28, 2514310), (35, 2011448), (40, 1760017), (56, 1257155), (70, 1005724), (140, 502862), (280, 251431)]