7424725

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 72

約数和(自身を含む): 12722400

約数和(自身を除く): 5297675

約数列:

[1, 5, 7, 11, 19, 25, 29, 35, 49, 55, 77, 95, 133, 145, 175, 203, 209, 245, 275, 319, 385, 475, 539, 551, 665, 725, 931, 1015, 1045, 1225, 1421, 1463, 1595, 1925, 2233, 2695, 2755, 3325, 3857, 4655, 5075, 5225, 6061, 7105, 7315, 7975, 10241, 11165, 13475, 13775, 15631, 19285, 23275, 26999, 30305, 35525, 36575, 42427, 51205, 55825, 78155, 96425, 134995, 151525, 212135, 256025, 296989, 390775, 674975, 1060675, 1484945, 7424725]

約数ペア:

[(1, 7424725), (5, 1484945), (7, 1060675), (11, 674975), (19, 390775), (25, 296989), (29, 256025), (35, 212135), (49, 151525), (55, 134995), (77, 96425), (95, 78155), (133, 55825), (145, 51205), (175, 42427), (203, 36575), (209, 35525), (245, 30305), (275, 26999), (319, 23275), (385, 19285), (475, 15631), (539, 13775), (551, 13475), (665, 11165), (725, 10241), (931, 7975), (1015, 7315), (1045, 7105), (1225, 6061), (1421, 5225), (1463, 5075), (1595, 4655), (1925, 3857), (2233, 3325), (2695, 2755)]