121538420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{209549}}^1$

素因数の和:209587

約数の個数: 24

約数和(自身を含む): 264033000

約数和(自身を除く): 142494580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 209549, 419098, 838196, 1047745, 2095490, 4190980, 6076921, 12153842, 24307684, 30384605, 60769210, 121538420]

約数ペア:

[(1, 121538420), (2, 60769210), (4, 30384605), (5, 24307684), (10, 12153842), (20, 6076921), (29, 4190980), (58, 2095490), (116, 1047745), (145, 838196), (290, 419098), (580, 209549)]