68340020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{488143}}^1$

素因数の和:488159

約数の個数: 24

約数和(自身を含む): 164016384

約数和(自身を除く): 95676364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 488143, 976286, 1952572, 2440715, 3417001, 4881430, 6834002, 9762860, 13668004, 17085005, 34170010, 68340020]

約数ペア:

[(1, 68340020), (2, 34170010), (4, 17085005), (5, 13668004), (7, 9762860), (10, 6834002), (14, 4881430), (20, 3417001), (28, 2440715), (35, 1952572), (70, 976286), (140, 488143)]