978018950

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{48779}}^1$

素因数の和:49192

約数の個数: 24

約数和(自身を含む): 1823689080

約数和(自身を除く): 845670130

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 2005, 4010, 10025, 20050, 48779, 97558, 243895, 487790, 1219475, 2438950, 19560379, 39120758, 97801895, 195603790, 489009475, 978018950]

約数ペア:

[(1, 978018950), (2, 489009475), (5, 195603790), (10, 97801895), (25, 39120758), (50, 19560379), (401, 2438950), (802, 1219475), (2005, 487790), (4010, 243895), (10025, 97558), (20050, 48779)]