208484210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{4007}}^1$

素因数の和:4079

約数の個数: 48

約数和(自身を含む): 422186688

約数和(自身を除く): 213702478

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 121, 215, 242, 430, 473, 605, 946, 1210, 2365, 4007, 4730, 5203, 8014, 10406, 20035, 26015, 40070, 44077, 52030, 88154, 172301, 220385, 344602, 440770, 484847, 861505, 969694, 1723010, 1895311, 2424235, 3790622, 4848470, 9476555, 18953110, 20848421, 41696842, 104242105, 208484210]

約数ペア:

[(1, 208484210), (2, 104242105), (5, 41696842), (10, 20848421), (11, 18953110), (22, 9476555), (43, 4848470), (55, 3790622), (86, 2424235), (110, 1895311), (121, 1723010), (215, 969694), (242, 861505), (430, 484847), (473, 440770), (605, 344602), (946, 220385), (1210, 172301), (2365, 88154), (4007, 52030), (4730, 44077), (5203, 40070), (8014, 26015), (10406, 20035)]