258389710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{890999}}^1$

素因数の和:891035

約数の個数: 16

約数和(自身を含む): 481140000

約数和(自身を除く): 222750290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 890999, 1781998, 4454995, 8909990, 25838971, 51677942, 129194855, 258389710]

約数ペア:

[(1, 258389710), (2, 129194855), (5, 51677942), (10, 25838971), (29, 8909990), (58, 4454995), (145, 1781998), (290, 890999)]