209128540

素因数分解:

$2^2\times 5^1\times {\mathrm{2963}}^1\times {\mathrm{3529}}^1$

素因数の和:6501

約数の個数: 24

約数和(自身を含む): 439442640

約数和(自身を除く): 230314100

約数列:

[1, 2, 4, 5, 10, 20, 2963, 3529, 5926, 7058, 11852, 14116, 14815, 17645, 29630, 35290, 59260, 70580, 10456427, 20912854, 41825708, 52282135, 104564270, 209128540]

約数ペア:

[(1, 209128540), (2, 104564270), (4, 52282135), (5, 41825708), (10, 20912854), (20, 10456427), (2963, 70580), (3529, 59260), (5926, 35290), (7058, 29630), (11852, 17645), (14116, 14815)]