2909480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{10391}}^1$

素因数の和:10409

約数の個数: 32

約数和(自身を含む): 7482240

約数和(自身を除く): 4572760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 10391, 20782, 41564, 51955, 72737, 83128, 103910, 145474, 207820, 290948, 363685, 415640, 581896, 727370, 1454740, 2909480]

約数ペア:

[(1, 2909480), (2, 1454740), (4, 727370), (5, 581896), (7, 415640), (8, 363685), (10, 290948), (14, 207820), (20, 145474), (28, 103910), (35, 83128), (40, 72737), (56, 51955), (70, 41564), (140, 20782), (280, 10391)]