88729480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{316891}}^1$

素因数の和:316909

約数の個数: 32

約数和(自身を含む): 228162240

約数和(自身を除く): 139432760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 316891, 633782, 1267564, 1584455, 2218237, 2535128, 3168910, 4436474, 6337820, 8872948, 11091185, 12675640, 17745896, 22182370, 44364740, 88729480]

約数ペア:

[(1, 88729480), (2, 44364740), (4, 22182370), (5, 17745896), (7, 12675640), (8, 11091185), (10, 8872948), (14, 6337820), (20, 4436474), (28, 3168910), (35, 2535128), (40, 2218237), (56, 1584455), (70, 1267564), (140, 633782), (280, 316891)]