144157940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1087}}^1$

素因数の和:1464

約数の個数: 48

約数和(自身を含む): 319872000

約数和(自身を除く): 175714060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 349, 380, 698, 1087, 1396, 1745, 2174, 3490, 4348, 5435, 6631, 6980, 10870, 13262, 20653, 21740, 26524, 33155, 41306, 66310, 82612, 103265, 132620, 206530, 379363, 413060, 758726, 1517452, 1896815, 3793630, 7207897, 7587260, 14415794, 28831588, 36039485, 72078970, 144157940]

約数ペア:

[(1, 144157940), (2, 72078970), (4, 36039485), (5, 28831588), (10, 14415794), (19, 7587260), (20, 7207897), (38, 3793630), (76, 1896815), (95, 1517452), (190, 758726), (349, 413060), (380, 379363), (698, 206530), (1087, 132620), (1396, 103265), (1745, 82612), (2174, 66310), (3490, 41306), (4348, 33155), (5435, 26524), (6631, 21740), (6980, 20653), (10870, 13262)]