2909690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 6044544

約数和(自身を除く): 3134854

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 211, 394, 422, 985, 1055, 1379, 1477, 1970, 2110, 2758, 2954, 6895, 7385, 13790, 14770, 41567, 83134, 207835, 290969, 415670, 581938, 1454845, 2909690]

約数ペア:

[(1, 2909690), (2, 1454845), (5, 581938), (7, 415670), (10, 290969), (14, 207835), (35, 83134), (70, 41567), (197, 14770), (211, 13790), (394, 7385), (422, 6895), (985, 2954), (1055, 2758), (1379, 2110), (1477, 1970)]