318805480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1138591}}^1$

素因数の和:1138609

約数の個数: 32

約数和(自身を含む): 819786240

約数和(自身を除く): 500980760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1138591, 2277182, 4554364, 5692955, 7970137, 9108728, 11385910, 15940274, 22771820, 31880548, 39850685, 45543640, 63761096, 79701370, 159402740, 318805480]

約数ペア:

[(1, 318805480), (2, 159402740), (4, 79701370), (5, 63761096), (7, 45543640), (8, 39850685), (10, 31880548), (14, 22771820), (20, 15940274), (28, 11385910), (35, 9108728), (40, 7970137), (56, 5692955), (70, 4554364), (140, 2277182), (280, 1138591)]