187615820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1340113}}^1$

素因数の和:1340129

約数の個数: 24

約数和(自身を含む): 450278304

約数和(自身を除く): 262662484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1340113, 2680226, 5360452, 6700565, 9380791, 13401130, 18761582, 26802260, 37523164, 46903955, 93807910, 187615820]

約数ペア:

[(1, 187615820), (2, 93807910), (4, 46903955), (5, 37523164), (7, 26802260), (10, 18761582), (14, 13401130), (20, 9380791), (28, 6700565), (35, 5360452), (70, 2680226), (140, 1340113)]