1771036780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1247209}}^1$

素因数の和:1247289

約数の個数: 24

約数和(自身を含む): 3771563040

約数和(自身を除く): 2000526260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1247209, 2494418, 4988836, 6236045, 12472090, 24944180, 88551839, 177103678, 354207356, 442759195, 885518390, 1771036780]

約数ペア:

[(1, 1771036780), (2, 885518390), (4, 442759195), (5, 354207356), (10, 177103678), (20, 88551839), (71, 24944180), (142, 12472090), (284, 6236045), (355, 4988836), (710, 2494418), (1420, 1247209)]