2009245

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 2872800

約数和(自身を除く): 863555

約数列:

[1, 5, 7, 35, 49, 59, 139, 245, 295, 413, 695, 973, 2065, 2891, 4865, 6811, 8201, 14455, 34055, 41005, 57407, 287035, 401849, 2009245]

約数ペア:

[(1, 2009245), (5, 401849), (7, 287035), (35, 57407), (49, 41005), (59, 34055), (139, 14455), (245, 8201), (295, 6811), (413, 4865), (695, 2891), (973, 2065)]