154992020

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{25243}}^1$

素因数の和:25559

約数の個数: 24

約数和(自身を含む): 326556384

約数和(自身を除く): 171564364

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 25243, 50486, 100972, 126215, 252430, 504860, 7749601, 15499202, 30998404, 38748005, 77496010, 154992020]

約数ペア:

[(1, 154992020), (2, 77496010), (4, 38748005), (5, 30998404), (10, 15499202), (20, 7749601), (307, 504860), (614, 252430), (1228, 126215), (1535, 100972), (3070, 50486), (6140, 25243)]