840955390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{402371}}^1$

素因数の和:402408

約数の個数: 32

約数和(自身を含む): 1738247040

約数和(自身を除く): 897291650

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 402371, 804742, 2011855, 4023710, 4426081, 7645049, 8852162, 15290098, 22130405, 38225245, 44260810, 76450490, 84095539, 168191078, 420477695, 840955390]

約数ペア:

[(1, 840955390), (2, 420477695), (5, 168191078), (10, 84095539), (11, 76450490), (19, 44260810), (22, 38225245), (38, 22130405), (55, 15290098), (95, 8852162), (110, 7645049), (190, 4426081), (209, 4023710), (418, 2011855), (1045, 804742), (2090, 402371)]