387450340

素因数分解:

$2^2\times 5^1\times {\mathrm{1877}}^1\times {\mathrm{10321}}^1$

素因数の和:12207

約数の個数: 24

約数和(自身を含む): 814158072

約数和(自身を除く): 426707732

約数列:

[1, 2, 4, 5, 10, 20, 1877, 3754, 7508, 9385, 10321, 18770, 20642, 37540, 41284, 51605, 103210, 206420, 19372517, 38745034, 77490068, 96862585, 193725170, 387450340]

約数ペア:

[(1, 387450340), (2, 193725170), (4, 96862585), (5, 77490068), (10, 38745034), (20, 19372517), (1877, 206420), (3754, 103210), (7508, 51605), (9385, 41284), (10321, 37540), (18770, 20642)]