121581880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{434221}}^1$

素因数の和:434239

約数の個数: 32

約数和(自身を含む): 312639840

約数和(自身を除く): 191057960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 434221, 868442, 1736884, 2171105, 3039547, 3473768, 4342210, 6079094, 8684420, 12158188, 15197735, 17368840, 24316376, 30395470, 60790940, 121581880]

約数ペア:

[(1, 121581880), (2, 60790940), (4, 30395470), (5, 24316376), (7, 17368840), (8, 15197735), (10, 12158188), (14, 8684420), (20, 6079094), (28, 4342210), (35, 3473768), (40, 3039547), (56, 2171105), (70, 1736884), (140, 868442), (280, 434221)]