239825780

素因数分解:

$2^2\times 5^1\times {\mathrm{1447}}^1\times {\mathrm{8287}}^1$

素因数の和:9743

約数の個数: 24

約数和(自身を含む): 504043008

約数和(自身を除く): 264217228

約数列:

[1, 2, 4, 5, 10, 20, 1447, 2894, 5788, 7235, 8287, 14470, 16574, 28940, 33148, 41435, 82870, 165740, 11991289, 23982578, 47965156, 59956445, 119912890, 239825780]

約数ペア:

[(1, 239825780), (2, 119912890), (4, 59956445), (5, 47965156), (10, 23982578), (20, 11991289), (1447, 165740), (2894, 82870), (5788, 41435), (7235, 33148), (8287, 28940), (14470, 16574)]