9978340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7027}}^1$

素因数の和:7107

約数の個数: 24

約数和(自身を含む): 21252672

約数和(自身を除く): 11274332

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 7027, 14054, 28108, 35135, 70270, 140540, 498917, 997834, 1995668, 2494585, 4989170, 9978340]

約数ペア:

[(1, 9978340), (2, 4989170), (4, 2494585), (5, 1995668), (10, 997834), (20, 498917), (71, 140540), (142, 70270), (284, 35135), (355, 28108), (710, 14054), (1420, 7027)]