117728840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{68447}}^1$

素因数の和:68501

約数の個数: 32

約数和(自身を含む): 271054080

約数和(自身を除く): 153325240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 68447, 136894, 273788, 342235, 547576, 684470, 1368940, 2737880, 2943221, 5886442, 11772884, 14716105, 23545768, 29432210, 58864420, 117728840]

約数ペア:

[(1, 117728840), (2, 58864420), (4, 29432210), (5, 23545768), (8, 14716105), (10, 11772884), (20, 5886442), (40, 2943221), (43, 2737880), (86, 1368940), (172, 684470), (215, 547576), (344, 342235), (430, 273788), (860, 136894), (1720, 68447)]