109898420

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{27893}}^1$

素因数の和:28099

約数の個数: 24

約数和(自身を含む): 231966504

約数和(自身を除く): 122068084

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 27893, 55786, 111572, 139465, 278930, 557860, 5494921, 10989842, 21979684, 27474605, 54949210, 109898420]

約数ペア:

[(1, 109898420), (2, 54949210), (4, 27474605), (5, 21979684), (10, 10989842), (20, 5494921), (197, 557860), (394, 278930), (788, 139465), (985, 111572), (1970, 55786), (3940, 27893)]