121609990

素因数分解:

$2^1\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{5581}}^1$

素因数の和:7767

約数の個数: 16

約数和(自身を含む): 219037680

約数和(自身を除く): 97427690

約数列:

[1, 2, 5, 10, 2179, 4358, 5581, 10895, 11162, 21790, 27905, 55810, 12160999, 24321998, 60804995, 121609990]

約数ペア:

[(1, 121609990), (2, 60804995), (5, 24321998), (10, 12160999), (2179, 55810), (4358, 27905), (5581, 21790), (10895, 11162)]