87304840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311803}}^1$

素因数の和:311821

約数の個数: 32

約数和(自身を含む): 224498880

約数和(自身を除く): 137194040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311803, 623606, 1247212, 1559015, 2182621, 2494424, 3118030, 4365242, 6236060, 8730484, 10913105, 12472120, 17460968, 21826210, 43652420, 87304840]

約数ペア:

[(1, 87304840), (2, 43652420), (4, 21826210), (5, 17460968), (7, 12472120), (8, 10913105), (10, 8730484), (14, 6236060), (20, 4365242), (28, 3118030), (35, 2494424), (40, 2182621), (56, 1559015), (70, 1247212), (140, 623606), (280, 311803)]