206826440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{37199}}^1$

素因数の和:37349

約数の個数: 32

約数和(自身を含む): 468720000

約数和(自身を除く): 261893560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 37199, 74398, 148796, 185995, 297592, 371990, 743980, 1487960, 5170661, 10341322, 20682644, 25853305, 41365288, 51706610, 103413220, 206826440]

約数ペア:

[(1, 206826440), (2, 103413220), (4, 51706610), (5, 41365288), (8, 25853305), (10, 20682644), (20, 10341322), (40, 5170661), (139, 1487960), (278, 743980), (556, 371990), (695, 297592), (1112, 185995), (1390, 148796), (2780, 74398), (5560, 37199)]