209370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{997}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 574848

約数和(自身を除く): 365478

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 997, 1994, 2991, 4985, 5982, 6979, 9970, 13958, 14955, 20937, 29910, 34895, 41874, 69790, 104685, 209370]

約数ペア:

[(1, 209370), (2, 104685), (3, 69790), (5, 41874), (6, 34895), (7, 29910), (10, 20937), (14, 14955), (15, 13958), (21, 9970), (30, 6979), (35, 5982), (42, 4985), (70, 2991), (105, 1994), (210, 997)]