156716210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{319829}}^1$

素因数の和:319850

約数の個数: 24

約数和(自身を含む): 328145580

約数和(自身を除く): 171429370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 319829, 639658, 1599145, 2238803, 3198290, 4477606, 11194015, 15671621, 22388030, 31343242, 78358105, 156716210]

約数ペア:

[(1, 156716210), (2, 78358105), (5, 31343242), (7, 22388030), (10, 15671621), (14, 11194015), (35, 4477606), (49, 3198290), (70, 2238803), (98, 1599145), (245, 639658), (490, 319829)]