78616580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{80221}}^1$

素因数の和:80244

約数の個数: 36

約数和(自身を含む): 192051468

約数和(自身を除く): 113434888

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 80221, 160442, 320884, 401105, 561547, 802210, 1123094, 1604420, 2246188, 2807735, 3930829, 5615470, 7861658, 11230940, 15723316, 19654145, 39308290, 78616580]

約数ペア:

[(1, 78616580), (2, 39308290), (4, 19654145), (5, 15723316), (7, 11230940), (10, 7861658), (14, 5615470), (20, 3930829), (28, 2807735), (35, 2246188), (49, 1604420), (70, 1123094), (98, 802210), (140, 561547), (196, 401105), (245, 320884), (490, 160442), (980, 80221)]