149808580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{105499}}^1$

素因数の和:105579

約数の個数: 24

約数和(自身を含む): 319032000

約数和(自身を除く): 169223420

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 105499, 210998, 421996, 527495, 1054990, 2109980, 7490429, 14980858, 29961716, 37452145, 74904290, 149808580]

約数ペア:

[(1, 149808580), (2, 74904290), (4, 37452145), (5, 29961716), (10, 14980858), (20, 7490429), (71, 2109980), (142, 1054990), (284, 527495), (355, 421996), (710, 210998), (1420, 105499)]