1986580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 4233600

約数和(自身を除く): 2247020

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1399, 1420, 2798, 5596, 6995, 13990, 27980, 99329, 198658, 397316, 496645, 993290, 1986580]

約数ペア:

[(1, 1986580), (2, 993290), (4, 496645), (5, 397316), (10, 198658), (20, 99329), (71, 27980), (142, 13990), (284, 6995), (355, 5596), (710, 2798), (1399, 1420)]