440272660

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{168043}}^1$

素因数の和:168183

約数の個数: 24

約数和(自身を含む): 931635936

約数和(自身を除く): 491363276

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 168043, 336086, 672172, 840215, 1680430, 3360860, 22013633, 44027266, 88054532, 110068165, 220136330, 440272660]

約数ペア:

[(1, 440272660), (2, 220136330), (4, 110068165), (5, 88054532), (10, 44027266), (20, 22013633), (131, 3360860), (262, 1680430), (524, 840215), (655, 672172), (1310, 336086), (2620, 168043)]