1999804030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28568629}}^1$

素因数の和:28568643

約数の個数: 16

約数和(自身を含む): 4113882720

約数和(自身を除く): 2114078690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28568629, 57137258, 142843145, 199980403, 285686290, 399960806, 999902015, 1999804030]

約数ペア:

[(1, 1999804030), (2, 999902015), (5, 399960806), (7, 285686290), (10, 199980403), (14, 142843145), (35, 57137258), (70, 28568629)]