2178210890

素因数分解:

$2^1\times 5^1\times {\mathrm{883}}^1\times {\mathrm{246683}}^1$

素因数の和:247573

約数の個数: 16

約数和(自身を含む): 3925235808

約数和(自身を除く): 1747024918

約数列:

[1, 2, 5, 10, 883, 1766, 4415, 8830, 246683, 493366, 1233415, 2466830, 217821089, 435642178, 1089105445, 2178210890]

約数ペア:

[(1, 2178210890), (2, 1089105445), (5, 435642178), (10, 217821089), (883, 2466830), (1766, 1233415), (4415, 493366), (8830, 246683)]