78488810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{941}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 149212800

約数和(自身を除く): 70723990

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 439, 878, 941, 1882, 2195, 4390, 4705, 8341, 9410, 16682, 17879, 35758, 41705, 83410, 89395, 178790, 413099, 826198, 2065495, 4130990, 7848881, 15697762, 39244405, 78488810]

約数ペア:

[(1, 78488810), (2, 39244405), (5, 15697762), (10, 7848881), (19, 4130990), (38, 2065495), (95, 826198), (190, 413099), (439, 178790), (878, 89395), (941, 83410), (1882, 41705), (2195, 35758), (4390, 17879), (4705, 16682), (8341, 9410)]