77487890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{929}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 147312000

約数和(自身を除く): 69824110

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 439, 878, 929, 1858, 2195, 4390, 4645, 8341, 9290, 16682, 17651, 35302, 41705, 83410, 88255, 176510, 407831, 815662, 2039155, 4078310, 7748789, 15497578, 38743945, 77487890]

約数ペア:

[(1, 77487890), (2, 38743945), (5, 15497578), (10, 7748789), (19, 4078310), (38, 2039155), (95, 815662), (190, 407831), (439, 176510), (878, 88255), (929, 83410), (1858, 41705), (2195, 35302), (4390, 17651), (4645, 16682), (8341, 9290)]