2821190870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{345311}}^1$

素因数の和:345380

約数の個数: 32

約数和(自身を含む): 5469742080

約数和(自身を除く): 2648551210

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 345311, 690622, 1726555, 3453110, 6560909, 13121818, 14848373, 29696746, 32804545, 65609090, 74241865, 148483730, 282119087, 564238174, 1410595435, 2821190870]

約数ペア:

[(1, 2821190870), (2, 1410595435), (5, 564238174), (10, 282119087), (19, 148483730), (38, 74241865), (43, 65609090), (86, 32804545), (95, 29696746), (190, 14848373), (215, 13121818), (430, 6560909), (817, 3453110), (1634, 1726555), (4085, 690622), (8170, 345311)]