172990790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{34807}}^1$

素因数の和:34892

約数の個数: 32

約数和(自身を含む): 360889344

約数和(自身を除く): 187898554

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 34807, 69614, 174035, 243649, 348070, 487298, 1218245, 2436490, 2471297, 4942594, 12356485, 17299079, 24712970, 34598158, 86495395, 172990790]

約数ペア:

[(1, 172990790), (2, 86495395), (5, 34598158), (7, 24712970), (10, 17299079), (14, 12356485), (35, 4942594), (70, 2471297), (71, 2436490), (142, 1218245), (355, 487298), (497, 348070), (710, 243649), (994, 174035), (2485, 69614), (4970, 34807)]