28397475820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202839113}}^1$

素因数の和:202839129

約数の個数: 24

約数和(自身を含む): 68153942304

約数和(自身を除く): 39756466484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202839113, 405678226, 811356452, 1014195565, 1419873791, 2028391130, 2839747582, 4056782260, 5679495164, 7099368955, 14198737910, 28397475820]

約数ペア:

[(1, 28397475820), (2, 14198737910), (4, 7099368955), (5, 5679495164), (7, 4056782260), (10, 2839747582), (14, 2028391130), (20, 1419873791), (28, 1014195565), (35, 811356452), (70, 405678226), (140, 202839113)]