90034840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{321553}}^1$

素因数の和:321571

約数の個数: 32

約数和(自身を含む): 231518880

約数和(自身を除く): 141484040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 321553, 643106, 1286212, 1607765, 2250871, 2572424, 3215530, 4501742, 6431060, 9003484, 11254355, 12862120, 18006968, 22508710, 45017420, 90034840]

約数ペア:

[(1, 90034840), (2, 45017420), (4, 22508710), (5, 18006968), (7, 12862120), (8, 11254355), (10, 9003484), (14, 6431060), (20, 4501742), (28, 3215530), (35, 2572424), (40, 2250871), (56, 1607765), (70, 1286212), (140, 643106), (280, 321553)]