201018440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{717923}}^1$

素因数の和:717941

約数の個数: 32

約数和(自身を含む): 516905280

約数和(自身を除く): 315886840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 717923, 1435846, 2871692, 3589615, 5025461, 5743384, 7179230, 10050922, 14358460, 20101844, 25127305, 28716920, 40203688, 50254610, 100509220, 201018440]

約数ペア:

[(1, 201018440), (2, 100509220), (4, 50254610), (5, 40203688), (7, 28716920), (8, 25127305), (10, 20101844), (14, 14358460), (20, 10050922), (28, 7179230), (35, 5743384), (40, 5025461), (56, 3589615), (70, 2871692), (140, 1435846), (280, 717923)]