28968580

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9721}}^1$

素因数の和:9879

約数の個数: 24

約数和(自身を含む): 61248600

約数和(自身を除く): 32280020

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 9721, 19442, 38884, 48605, 97210, 194420, 1448429, 2896858, 5793716, 7242145, 14484290, 28968580]

約数ペア:

[(1, 28968580), (2, 14484290), (4, 7242145), (5, 5793716), (10, 2896858), (20, 1448429), (149, 194420), (298, 97210), (596, 48605), (745, 38884), (1490, 19442), (2980, 9721)]