248360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{887}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 639360

約数和(自身を除く): 391000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 887, 1774, 3548, 4435, 6209, 7096, 8870, 12418, 17740, 24836, 31045, 35480, 49672, 62090, 124180, 248360]

約数ペア:

[(1, 248360), (2, 124180), (4, 62090), (5, 49672), (7, 35480), (8, 31045), (10, 24836), (14, 17740), (20, 12418), (28, 8870), (35, 7096), (40, 6209), (56, 4435), (70, 3548), (140, 1774), (280, 887)]