1277697.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20129}}^1$

素因数の和:20209

約数の個数: 24

約数和(自身を含む): 60873120

約数和(自身を除く): 32289940

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 20129, 40258, 80516, 100645, 201290, 402580, 1429159, 2858318, 5716636, 7145795, 14291590, 28583180]

約数ペア:

[(1, 28583180), (2, 14291590), (4, 7145795), (5, 5716636), (10, 2858318), (20, 1429159), (71, 402580), (142, 201290), (284, 100645), (355, 80516), (710, 40258), (1420, 20129)]