121970660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4129}}^1$

素因数の和:4356

約数の個数: 48

約数和(自身を含む): 294188160

約数和(自身を除く): 172217500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4129, 4220, 5908, 7385, 8258, 14770, 16516, 20645, 28903, 29540, 41290, 57806, 82580, 115612, 144515, 289030, 578060, 871219, 1742438, 3484876, 4356095, 6098533, 8712190, 12197066, 17424380, 24394132, 30492665, 60985330, 121970660]

約数ペア:

[(1, 121970660), (2, 60985330), (4, 30492665), (5, 24394132), (7, 17424380), (10, 12197066), (14, 8712190), (20, 6098533), (28, 4356095), (35, 3484876), (70, 1742438), (140, 871219), (211, 578060), (422, 289030), (844, 144515), (1055, 115612), (1477, 82580), (2110, 57806), (2954, 41290), (4129, 29540), (4220, 28903), (5908, 20645), (7385, 16516), (8258, 14770)]