51515380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1621}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 124258176

約数和(自身を除く): 72742796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 1621, 2270, 3178, 3242, 4540, 6356, 6484, 7945, 8105, 11347, 15890, 16210, 22694, 31780, 32420, 45388, 56735, 113470, 226940, 367967, 735934, 1471868, 1839835, 2575769, 3679670, 5151538, 7359340, 10303076, 12878845, 25757690, 51515380]

約数ペア:

[(1, 51515380), (2, 25757690), (4, 12878845), (5, 10303076), (7, 7359340), (10, 5151538), (14, 3679670), (20, 2575769), (28, 1839835), (35, 1471868), (70, 735934), (140, 367967), (227, 226940), (454, 113470), (908, 56735), (1135, 45388), (1589, 32420), (1621, 31780), (2270, 22694), (3178, 16210), (3242, 15890), (4540, 11347), (6356, 8105), (6484, 7945)]