7740220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20369}}^1$

素因数の和:20397

約数の個数: 24

約数和(自身を含む): 17110800

約数和(自身を除く): 9370580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20369, 40738, 81476, 101845, 203690, 387011, 407380, 774022, 1548044, 1935055, 3870110, 7740220]

約数ペア:

[(1, 7740220), (2, 3870110), (4, 1935055), (5, 1548044), (10, 774022), (19, 407380), (20, 387011), (38, 203690), (76, 101845), (95, 81476), (190, 40738), (380, 20369)]