243409040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{434659}}^1$

素因数の和:434679

約数の個数: 40

約数和(自身を含む): 646774080

約数和(自身を除く): 403365040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 434659, 869318, 1738636, 2173295, 3042613, 3477272, 4346590, 6085226, 6954544, 8693180, 12170452, 15213065, 17386360, 24340904, 30426130, 34772720, 48681808, 60852260, 121704520, 243409040]

約数ペア:

[(1, 243409040), (2, 121704520), (4, 60852260), (5, 48681808), (7, 34772720), (8, 30426130), (10, 24340904), (14, 17386360), (16, 15213065), (20, 12170452), (28, 8693180), (35, 6954544), (40, 6085226), (56, 4346590), (70, 3477272), (80, 3042613), (112, 2173295), (140, 1738636), (280, 869318), (560, 434659)]