2789780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19927}}^1$

素因数の和:19943

約数の個数: 24

約数和(自身を含む): 6695808

約数和(自身を除く): 3906028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19927, 39854, 79708, 99635, 139489, 199270, 278978, 398540, 557956, 697445, 1394890, 2789780]

約数ペア:

[(1, 2789780), (2, 1394890), (4, 697445), (5, 557956), (7, 398540), (10, 278978), (14, 199270), (20, 139489), (28, 99635), (35, 79708), (70, 39854), (140, 19927)]