2559095

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 4243968

約数和(自身を除く): 1684873

約数列:

[1, 5, 7, 11, 17, 23, 35, 55, 77, 85, 115, 119, 161, 187, 253, 289, 385, 391, 595, 805, 935, 1265, 1309, 1445, 1771, 1955, 2023, 2737, 3179, 4301, 6545, 6647, 8855, 10115, 13685, 15895, 21505, 22253, 30107, 33235, 46529, 73117, 111265, 150535, 232645, 365585, 511819, 2559095]

約数ペア:

[(1, 2559095), (5, 511819), (7, 365585), (11, 232645), (17, 150535), (23, 111265), (35, 73117), (55, 46529), (77, 33235), (85, 30107), (115, 22253), (119, 21505), (161, 15895), (187, 13685), (253, 10115), (289, 8855), (385, 6647), (391, 6545), (595, 4301), (805, 3179), (935, 2737), (1265, 2023), (1309, 1955), (1445, 1771)]