142980404

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2161}}^1$

素因数の和:2328

約数の個数: 48

約数和(自身を含む): 305101440

約数和(自身を除く): 162121036

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 139, 238, 278, 476, 556, 973, 1946, 2161, 2363, 3892, 4322, 4726, 8644, 9452, 15127, 16541, 30254, 33082, 36737, 60508, 66164, 73474, 146948, 257159, 300379, 514318, 600758, 1028636, 1201516, 2102653, 4205306, 5106443, 8410612, 10212886, 20425772, 35745101, 71490202, 142980404]

約数ペア:

[(1, 142980404), (2, 71490202), (4, 35745101), (7, 20425772), (14, 10212886), (17, 8410612), (28, 5106443), (34, 4205306), (68, 2102653), (119, 1201516), (139, 1028636), (238, 600758), (278, 514318), (476, 300379), (556, 257159), (973, 146948), (1946, 73474), (2161, 66164), (2363, 60508), (3892, 36737), (4322, 33082), (4726, 30254), (8644, 16541), (9452, 15127)]