754820420

素因数分解:

$2^2\times 5^1\times {\mathrm{2749}}^1\times {\mathrm{13729}}^1$

素因数の和:16487

約数の個数: 24

約数和(自身を含む): 1585815000

約数和(自身を除く): 830994580

約数列:

[1, 2, 4, 5, 10, 20, 2749, 5498, 10996, 13729, 13745, 27458, 27490, 54916, 54980, 68645, 137290, 274580, 37741021, 75482042, 150964084, 188705105, 377410210, 754820420]

約数ペア:

[(1, 754820420), (2, 377410210), (4, 188705105), (5, 150964084), (10, 75482042), (20, 37741021), (2749, 274580), (5498, 137290), (10996, 68645), (13729, 54980), (13745, 54916), (27458, 27490)]