90427900

素因数分解:

$2^2\times 5^2\times {\mathrm{907}}^1\times {\mathrm{997}}^1$

素因数の和:1918

約数の個数: 36

約数和(自身を含む): 196641928

約数和(自身を除く): 106214028

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 907, 997, 1814, 1994, 3628, 3988, 4535, 4985, 9070, 9970, 18140, 19940, 22675, 24925, 45350, 49850, 90700, 99700, 904279, 1808558, 3617116, 4521395, 9042790, 18085580, 22606975, 45213950, 90427900]

約数ペア:

[(1, 90427900), (2, 45213950), (4, 22606975), (5, 18085580), (10, 9042790), (20, 4521395), (25, 3617116), (50, 1808558), (100, 904279), (907, 99700), (997, 90700), (1814, 49850), (1994, 45350), (3628, 24925), (3988, 22675), (4535, 19940), (4985, 18140), (9070, 9970)]