90389075

素因数分解:

$5^2\times 7^3\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 133324800

約数和(自身を除く): 42935725

約数列:

[1, 5, 7, 25, 35, 49, 83, 127, 175, 245, 343, 415, 581, 635, 889, 1225, 1715, 2075, 2905, 3175, 4067, 4445, 6223, 8575, 10541, 14525, 20335, 22225, 28469, 31115, 43561, 52705, 73787, 101675, 142345, 155575, 217805, 263525, 368935, 516509, 711725, 1089025, 1844675, 2582545, 3615563, 12912725, 18077815, 90389075]

約数ペア:

[(1, 90389075), (5, 18077815), (7, 12912725), (25, 3615563), (35, 2582545), (49, 1844675), (83, 1089025), (127, 711725), (175, 516509), (245, 368935), (343, 263525), (415, 217805), (581, 155575), (635, 142345), (889, 101675), (1225, 73787), (1715, 52705), (2075, 43561), (2905, 31115), (3175, 28469), (4067, 22225), (4445, 20335), (6223, 14525), (8575, 10541)]