420092500

素因数分解:

$2^2\times 5^4\times {\mathrm{168037}}^1$

素因数の和:168061

約数の個数: 30

約数和(自身を含む): 918663746

約数和(自身を除く): 498571246

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 168037, 336074, 672148, 840185, 1680370, 3360740, 4200925, 8401850, 16803700, 21004625, 42009250, 84018500, 105023125, 210046250, 420092500]

約数ペア:

[(1, 420092500), (2, 210046250), (4, 105023125), (5, 84018500), (10, 42009250), (20, 21004625), (25, 16803700), (50, 8401850), (100, 4200925), (125, 3360740), (250, 1680370), (500, 840185), (625, 672148), (1250, 336074), (2500, 168037)]