291220090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{19717}}^1$

素因数の和:19942

約数の個数: 32

約数和(自身を含む): 601951104

約数和(自身を除く): 310731014

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1477, 2110, 2954, 7385, 14770, 19717, 39434, 98585, 138019, 197170, 276038, 690095, 1380190, 4160287, 8320574, 20801435, 29122009, 41602870, 58244018, 145610045, 291220090]

約数ペア:

[(1, 291220090), (2, 145610045), (5, 58244018), (7, 41602870), (10, 29122009), (14, 20801435), (35, 8320574), (70, 4160287), (211, 1380190), (422, 690095), (1055, 276038), (1477, 197170), (2110, 138019), (2954, 98585), (7385, 39434), (14770, 19717)]