28403870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1733}}^1$

素因数の和:1900

約数の個数: 32

約数和(自身を含む): 56181600

約数和(自身を除く): 27777730

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1490, 1639, 1733, 3278, 3466, 8195, 8665, 16390, 17330, 19063, 38126, 95315, 190630, 258217, 516434, 1291085, 2582170, 2840387, 5680774, 14201935, 28403870]

約数ペア:

[(1, 28403870), (2, 14201935), (5, 5680774), (10, 2840387), (11, 2582170), (22, 1291085), (55, 516434), (110, 258217), (149, 190630), (298, 95315), (745, 38126), (1490, 19063), (1639, 17330), (1733, 16390), (3278, 8665), (3466, 8195)]