2878340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2027}}^1$

素因数の和:2107

約数の個数: 24

約数和(自身を含む): 6132672

約数和(自身を除く): 3254332

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2027, 4054, 8108, 10135, 20270, 40540, 143917, 287834, 575668, 719585, 1439170, 2878340]

約数ペア:

[(1, 2878340), (2, 1439170), (4, 719585), (5, 575668), (10, 287834), (20, 143917), (71, 40540), (142, 20270), (284, 10135), (355, 8108), (710, 4054), (1420, 2027)]