320136460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{16451}}^1$

素因数の和:16606

約数の個数: 48

約数和(自身を含む): 773902080

約数和(自身を除く): 453765620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 16451, 19460, 32902, 65804, 82255, 115157, 164510, 230314, 329020, 460628, 575785, 1151570, 2286689, 2303140, 4573378, 9146756, 11433445, 16006823, 22866890, 32013646, 45733780, 64027292, 80034115, 160068230, 320136460]

約数ペア:

[(1, 320136460), (2, 160068230), (4, 80034115), (5, 64027292), (7, 45733780), (10, 32013646), (14, 22866890), (20, 16006823), (28, 11433445), (35, 9146756), (70, 4573378), (139, 2303140), (140, 2286689), (278, 1151570), (556, 575785), (695, 460628), (973, 329020), (1390, 230314), (1946, 164510), (2780, 115157), (3892, 82255), (4865, 65804), (9730, 32902), (16451, 19460)]