290438468

素因数分解:

$2^2\times {\mathrm{15439}}^1\times {\mathrm{4703}}^1$

素因数の和:20146

約数の個数: 12

約数和(自身を含む): 508408320

約数和(自身を除く): 217969852

約数列:

[1, 2, 4, 4703, 9406, 15439, 18812, 30878, 61756, 72609617, 145219234, 290438468]

約数ペア:

[(1, 290438468), (2, 145219234), (4, 72609617), (4703, 61756), (9406, 30878), (15439, 18812)]