496720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{887}}^1$

素因数の和:907

約数の個数: 40

約数和(自身を含む): 1321344

約数和(自身を除く): 824624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 887, 1774, 3548, 4435, 6209, 7096, 8870, 12418, 14192, 17740, 24836, 31045, 35480, 49672, 62090, 70960, 99344, 124180, 248360, 496720]

約数ペア:

[(1, 496720), (2, 248360), (4, 124180), (5, 99344), (7, 70960), (8, 62090), (10, 49672), (14, 35480), (16, 31045), (20, 24836), (28, 17740), (35, 14192), (40, 12418), (56, 8870), (70, 7096), (80, 6209), (112, 4435), (140, 3548), (280, 1774), (560, 887)]