127577140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 273130704

約数和(自身を除く): 145553564

約数列:

[1, 2, 4, 5, 10, 20, 101, 137, 202, 274, 404, 461, 505, 548, 685, 922, 1010, 1370, 1844, 2020, 2305, 2740, 4610, 9220, 13837, 27674, 46561, 55348, 63157, 69185, 93122, 126314, 138370, 186244, 232805, 252628, 276740, 315785, 465610, 631570, 931220, 1263140, 6378857, 12757714, 25515428, 31894285, 63788570, 127577140]

約数ペア:

[(1, 127577140), (2, 63788570), (4, 31894285), (5, 25515428), (10, 12757714), (20, 6378857), (101, 1263140), (137, 931220), (202, 631570), (274, 465610), (404, 315785), (461, 276740), (505, 252628), (548, 232805), (685, 186244), (922, 138370), (1010, 126314), (1370, 93122), (1844, 69185), (2020, 63157), (2305, 55348), (2740, 46561), (4610, 27674), (9220, 13837)]