122797780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4157}}^1$

素因数の和:4384

約数の個数: 48

約数和(自身を含む): 296182656

約数和(自身を除く): 173384876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4157, 4220, 5908, 7385, 8314, 14770, 16628, 20785, 29099, 29540, 41570, 58198, 83140, 116396, 145495, 290990, 581980, 877127, 1754254, 3508508, 4385635, 6139889, 8771270, 12279778, 17542540, 24559556, 30699445, 61398890, 122797780]

約数ペア:

[(1, 122797780), (2, 61398890), (4, 30699445), (5, 24559556), (7, 17542540), (10, 12279778), (14, 8771270), (20, 6139889), (28, 4385635), (35, 3508508), (70, 1754254), (140, 877127), (211, 581980), (422, 290990), (844, 145495), (1055, 116396), (1477, 83140), (2110, 58198), (2954, 41570), (4157, 29540), (4220, 29099), (5908, 20785), (7385, 16628), (8314, 14770)]