2988831280

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{206411}}^1$

素因数の和:206605

約数の個数: 40

約数和(自身を含む): 6987459024

約数和(自身を除く): 3998627744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14480, 206411, 412822, 825644, 1032055, 1651288, 2064110, 3302576, 4128220, 8256440, 16512880, 37360391, 74720782, 149441564, 186801955, 298883128, 373603910, 597766256, 747207820, 1494415640, 2988831280]

約数ペア:

[(1, 2988831280), (2, 1494415640), (4, 747207820), (5, 597766256), (8, 373603910), (10, 298883128), (16, 186801955), (20, 149441564), (40, 74720782), (80, 37360391), (181, 16512880), (362, 8256440), (724, 4128220), (905, 3302576), (1448, 2064110), (1810, 1651288), (2896, 1032055), (3620, 825644), (7240, 412822), (14480, 206411)]