388520140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{844609}}^1$

素因数の和:844641

約数の個数: 24

約数和(自身を含む): 851366880

約数和(自身を除く): 462846740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 844609, 1689218, 3378436, 4223045, 8446090, 16892180, 19426007, 38852014, 77704028, 97130035, 194260070, 388520140]

約数ペア:

[(1, 388520140), (2, 194260070), (4, 97130035), (5, 77704028), (10, 38852014), (20, 19426007), (23, 16892180), (46, 8446090), (92, 4223045), (115, 3378436), (230, 1689218), (460, 844609)]