248483480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{887441}}^1$

素因数の和:887459

約数の個数: 32

約数和(自身を含む): 638958240

約数和(自身を除く): 390474760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 887441, 1774882, 3549764, 4437205, 6212087, 7099528, 8874410, 12424174, 17748820, 24848348, 31060435, 35497640, 49696696, 62120870, 124241740, 248483480]

約数ペア:

[(1, 248483480), (2, 124241740), (4, 62120870), (5, 49696696), (7, 35497640), (8, 31060435), (10, 24848348), (14, 17748820), (20, 12424174), (28, 8874410), (35, 7099528), (40, 6212087), (56, 4437205), (70, 3549764), (140, 1774882), (280, 887441)]