166891180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{117529}}^1$

素因数の和:117609

約数の個数: 24

約数和(自身を含む): 355410720

約数和(自身を除く): 188519540

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 117529, 235058, 470116, 587645, 1175290, 2350580, 8344559, 16689118, 33378236, 41722795, 83445590, 166891180]

約数ペア:

[(1, 166891180), (2, 83445590), (4, 41722795), (5, 33378236), (10, 16689118), (20, 8344559), (71, 2350580), (142, 1175290), (284, 587645), (355, 470116), (710, 235058), (1420, 117529)]