8425340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5471}}^1$

素因数の和:5498

約数の個数: 48

約数和(自身を含む): 22063104

約数和(自身を除く): 13637764

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5471, 10942, 21884, 27355, 38297, 54710, 60181, 76594, 109420, 120362, 153188, 191485, 240724, 300905, 382970, 421267, 601810, 765940, 842534, 1203620, 1685068, 2106335, 4212670, 8425340]

約数ペア:

[(1, 8425340), (2, 4212670), (4, 2106335), (5, 1685068), (7, 1203620), (10, 842534), (11, 765940), (14, 601810), (20, 421267), (22, 382970), (28, 300905), (35, 240724), (44, 191485), (55, 153188), (70, 120362), (77, 109420), (110, 76594), (140, 60181), (154, 54710), (220, 38297), (308, 27355), (385, 21884), (770, 10942), (1540, 5471)]