68737940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{48407}}^1$

素因数の和:48487

約数の個数: 24

約数和(自身を含む): 146385792

約数和(自身を除く): 77647852

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 48407, 96814, 193628, 242035, 484070, 968140, 3436897, 6873794, 13747588, 17184485, 34368970, 68737940]

約数ペア:

[(1, 68737940), (2, 34368970), (4, 17184485), (5, 13747588), (10, 6873794), (20, 3436897), (71, 968140), (142, 484070), (284, 242035), (355, 193628), (710, 96814), (1420, 48407)]