111400180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 238447440

約数和(自身を除く): 127047260

約数列:

[1, 2, 4, 5, 10, 20, 109, 137, 218, 274, 373, 436, 545, 548, 685, 746, 1090, 1370, 1492, 1865, 2180, 2740, 3730, 7460, 14933, 29866, 40657, 51101, 59732, 74665, 81314, 102202, 149330, 162628, 203285, 204404, 255505, 298660, 406570, 511010, 813140, 1022020, 5570009, 11140018, 22280036, 27850045, 55700090, 111400180]

約数ペア:

[(1, 111400180), (2, 55700090), (4, 27850045), (5, 22280036), (10, 11140018), (20, 5570009), (109, 1022020), (137, 813140), (218, 511010), (274, 406570), (373, 298660), (436, 255505), (545, 204404), (548, 203285), (685, 162628), (746, 149330), (1090, 102202), (1370, 81314), (1492, 74665), (1865, 59732), (2180, 51101), (2740, 40657), (3730, 29866), (7460, 14933)]