129790900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{68311}}^1$

素因数の和:68344

約数の個数: 36

約数和(自身を含む): 296474080

約数和(自身を除く): 166683180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 68311, 136622, 273244, 341555, 683110, 1297909, 1366220, 1707775, 2595818, 3415550, 5191636, 6489545, 6831100, 12979090, 25958180, 32447725, 64895450, 129790900]

約数ペア:

[(1, 129790900), (2, 64895450), (4, 32447725), (5, 25958180), (10, 12979090), (19, 6831100), (20, 6489545), (25, 5191636), (38, 3415550), (50, 2595818), (76, 1707775), (95, 1366220), (100, 1297909), (190, 683110), (380, 341555), (475, 273244), (950, 136622), (1900, 68311)]