131566540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22921}}^1$

素因数の和:22978

約数の個数: 48

約数和(自身を含む): 323475264

約数和(自身を除く): 191908724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 22921, 45842, 91684, 114605, 160447, 229210, 320894, 458420, 641788, 802235, 939761, 1604470, 1879522, 3208940, 3759044, 4698805, 6578327, 9397610, 13156654, 18795220, 26313308, 32891635, 65783270, 131566540]

約数ペア:

[(1, 131566540), (2, 65783270), (4, 32891635), (5, 26313308), (7, 18795220), (10, 13156654), (14, 9397610), (20, 6578327), (28, 4698805), (35, 3759044), (41, 3208940), (70, 1879522), (82, 1604470), (140, 939761), (164, 802235), (205, 641788), (287, 458420), (410, 320894), (574, 229210), (820, 160447), (1148, 114605), (1435, 91684), (2870, 45842), (5740, 22921)]