127205380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{334751}}^1$

素因数の和:334779

約数の個数: 24

約数和(自身を含む): 281191680

約数和(自身を除く): 153986300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 334751, 669502, 1339004, 1673755, 3347510, 6360269, 6695020, 12720538, 25441076, 31801345, 63602690, 127205380]

約数ペア:

[(1, 127205380), (2, 63602690), (4, 31801345), (5, 25441076), (10, 12720538), (19, 6695020), (20, 6360269), (38, 3347510), (76, 1673755), (95, 1339004), (190, 669502), (380, 334751)]