155991010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{318349}}^1$

素因数の和:318370

約数の個数: 24

約数和(自身を含む): 326627100

約数和(自身を除く): 170636090

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 318349, 636698, 1591745, 2228443, 3183490, 4456886, 11142215, 15599101, 22284430, 31198202, 77995505, 155991010]

約数ペア:

[(1, 155991010), (2, 77995505), (5, 31198202), (7, 22284430), (10, 15599101), (14, 11142215), (35, 4456886), (49, 3183490), (70, 2228443), (98, 1591745), (245, 636698), (490, 318349)]