205763140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{8741}}^1$

素因数の和:8868

約数の個数: 48

約数和(自身を含む): 475844544

約数和(自身を除く): 270081404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 4708, 5885, 8741, 11770, 17482, 23540, 34964, 43705, 87410, 96151, 174820, 192302, 384604, 480755, 935287, 961510, 1870574, 1923020, 3741148, 4676435, 9352870, 10288157, 18705740, 20576314, 41152628, 51440785, 102881570, 205763140]

約数ペア:

[(1, 205763140), (2, 102881570), (4, 51440785), (5, 41152628), (10, 20576314), (11, 18705740), (20, 10288157), (22, 9352870), (44, 4676435), (55, 3741148), (107, 1923020), (110, 1870574), (214, 961510), (220, 935287), (428, 480755), (535, 384604), (1070, 192302), (1177, 174820), (2140, 96151), (2354, 87410), (4708, 43705), (5885, 34964), (8741, 23540), (11770, 17482)]