278523770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{56041}}^1$

素因数の和:56126

約数の個数: 32

約数和(自身を含む): 581043456

約数和(自身を除く): 302519686

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 56041, 112082, 280205, 392287, 560410, 784574, 1961435, 3922870, 3978911, 7957822, 19894555, 27852377, 39789110, 55704754, 139261885, 278523770]

約数ペア:

[(1, 278523770), (2, 139261885), (5, 55704754), (7, 39789110), (10, 27852377), (14, 19894555), (35, 7957822), (70, 3978911), (71, 3922870), (142, 1961435), (355, 784574), (497, 560410), (710, 392287), (994, 280205), (2485, 112082), (4970, 56041)]