201491180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{915869}}^1$

素因数の和:915889

約数の個数: 24

約数和(自身を含む): 461598480

約数和(自身を除く): 260107300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 915869, 1831738, 3663476, 4579345, 9158690, 10074559, 18317380, 20149118, 40298236, 50372795, 100745590, 201491180]

約数ペア:

[(1, 201491180), (2, 100745590), (4, 50372795), (5, 40298236), (10, 20149118), (11, 18317380), (20, 10074559), (22, 9158690), (44, 4579345), (55, 3663476), (110, 1831738), (220, 915869)]