672523775

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1721}}^1$

素因数の和:1785

約数の個数: 72

約数和(自身を含む): 1095398640

約数和(自身を除く): 422874865

約数列:

[1, 5, 7, 11, 25, 29, 35, 49, 55, 77, 145, 175, 203, 245, 275, 319, 385, 539, 725, 1015, 1225, 1421, 1595, 1721, 1925, 2233, 2695, 5075, 7105, 7975, 8605, 11165, 12047, 13475, 15631, 18931, 35525, 43025, 49909, 55825, 60235, 78155, 84329, 94655, 132517, 249545, 301175, 349363, 390775, 421645, 473275, 548999, 662585, 927619, 1247725, 1746815, 2108225, 2445541, 2744995, 3312925, 3842993, 4638095, 8734075, 12227705, 13724975, 19214965, 23190475, 26900951, 61138525, 96074825, 134504755, 672523775]

約数ペア:

[(1, 672523775), (5, 134504755), (7, 96074825), (11, 61138525), (25, 26900951), (29, 23190475), (35, 19214965), (49, 13724975), (55, 12227705), (77, 8734075), (145, 4638095), (175, 3842993), (203, 3312925), (245, 2744995), (275, 2445541), (319, 2108225), (385, 1746815), (539, 1247725), (725, 927619), (1015, 662585), (1225, 548999), (1421, 473275), (1595, 421645), (1721, 390775), (1925, 349363), (2233, 301175), (2695, 249545), (5075, 132517), (7105, 94655), (7975, 84329), (8605, 78155), (11165, 60235), (12047, 55825), (13475, 49909), (15631, 43025), (18931, 35525)]