130448290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{266221}}^1$

素因数の和:266242

約数の個数: 24

約数和(自身を含む): 273143772

約数和(自身を除く): 142695482

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 266221, 532442, 1331105, 1863547, 2662210, 3727094, 9317735, 13044829, 18635470, 26089658, 65224145, 130448290]

約数ペア:

[(1, 130448290), (2, 65224145), (5, 26089658), (7, 18635470), (10, 13044829), (14, 9317735), (35, 3727094), (49, 2662210), (70, 1863547), (98, 1331105), (245, 532442), (490, 266221)]