1388977570

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1\times {\mathrm{3907}}^1$

素因数の和:4474

約数の個数: 32

約数和(自身を含む): 2540262528

約数和(自身を除く): 1151284958

約数列:

[1, 2, 5, 10, 73, 146, 365, 487, 730, 974, 2435, 3907, 4870, 7814, 19535, 35551, 39070, 71102, 177755, 285211, 355510, 570422, 1426055, 1902709, 2852110, 3805418, 9513545, 19027090, 138897757, 277795514, 694488785, 1388977570]

約数ペア:

[(1, 1388977570), (2, 694488785), (5, 277795514), (10, 138897757), (73, 19027090), (146, 9513545), (365, 3805418), (487, 2852110), (730, 1902709), (974, 1426055), (2435, 570422), (3907, 355510), (4870, 285211), (7814, 177755), (19535, 71102), (35551, 39070)]