2019489950

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{399899}}^1$

素因数の和:400012

約数の個数: 24

約数和(自身を含む): 3793451400

約数和(自身を除く): 1773961450

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 505, 1010, 2525, 5050, 399899, 799798, 1999495, 3998990, 9997475, 19994950, 40389799, 80779598, 201948995, 403897990, 1009744975, 2019489950]

約数ペア:

[(1, 2019489950), (2, 1009744975), (5, 403897990), (10, 201948995), (25, 80779598), (50, 40389799), (101, 19994950), (202, 9997475), (505, 3998990), (1010, 1999495), (2525, 799798), (5050, 399899)]