22220470

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 41292000

約数和(自身を除く): 19071530

約数列:

[1, 2, 5, 10, 61, 73, 122, 146, 305, 365, 499, 610, 730, 998, 2495, 4453, 4990, 8906, 22265, 30439, 36427, 44530, 60878, 72854, 152195, 182135, 304390, 364270, 2222047, 4444094, 11110235, 22220470]

約数ペア:

[(1, 22220470), (2, 11110235), (5, 4444094), (10, 2222047), (61, 364270), (73, 304390), (122, 182135), (146, 152195), (305, 72854), (365, 60878), (499, 44530), (610, 36427), (730, 30439), (998, 22265), (2495, 8906), (4453, 4990)]