28646740

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9613}}^1$

素因数の和:9771

約数の個数: 24

約数和(自身を含む): 60568200

約数和(自身を除く): 31921460

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 9613, 19226, 38452, 48065, 96130, 192260, 1432337, 2864674, 5729348, 7161685, 14323370, 28646740]

約数ペア:

[(1, 28646740), (2, 14323370), (4, 7161685), (5, 5729348), (10, 2864674), (20, 1432337), (149, 192260), (298, 96130), (596, 48065), (745, 38452), (1490, 19226), (2980, 9613)]