2222120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 5074920

約数和(自身を除く): 2852800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 761, 1460, 1522, 2920, 3044, 3805, 6088, 7610, 15220, 30440, 55553, 111106, 222212, 277765, 444424, 555530, 1111060, 2222120]

約数ペア:

[(1, 2222120), (2, 1111060), (4, 555530), (5, 444424), (8, 277765), (10, 222212), (20, 111106), (40, 55553), (73, 30440), (146, 15220), (292, 7610), (365, 6088), (584, 3805), (730, 3044), (761, 2920), (1460, 1522)]