56656460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{811}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 136416000

約数和(自身を除く): 79759540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 811, 998, 1622, 1996, 2495, 3244, 3493, 4055, 4990, 5677, 6986, 8110, 9980, 11354, 13972, 16220, 17465, 22708, 28385, 34930, 56770, 69860, 113540, 404689, 809378, 1618756, 2023445, 2832823, 4046890, 5665646, 8093780, 11331292, 14164115, 28328230, 56656460]

約数ペア:

[(1, 56656460), (2, 28328230), (4, 14164115), (5, 11331292), (7, 8093780), (10, 5665646), (14, 4046890), (20, 2832823), (28, 2023445), (35, 1618756), (70, 809378), (140, 404689), (499, 113540), (811, 69860), (998, 56770), (1622, 34930), (1996, 28385), (2495, 22708), (3244, 17465), (3493, 16220), (4055, 13972), (4990, 11354), (5677, 9980), (6986, 8110)]