305235280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{545063}}^1$

素因数の和:545083

約数の個数: 40

約数和(自身を含む): 811055232

約数和(自身を除く): 505819952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 545063, 1090126, 2180252, 2725315, 3815441, 4360504, 5450630, 7630882, 8721008, 10901260, 15261764, 19077205, 21802520, 30523528, 38154410, 43605040, 61047056, 76308820, 152617640, 305235280]

約数ペア:

[(1, 305235280), (2, 152617640), (4, 76308820), (5, 61047056), (7, 43605040), (8, 38154410), (10, 30523528), (14, 21802520), (16, 19077205), (20, 15261764), (28, 10901260), (35, 8721008), (40, 7630882), (56, 5450630), (70, 4360504), (80, 3815441), (112, 2725315), (140, 2180252), (280, 1090126), (560, 545063)]