127740305

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 203777280

約数和(自身を除く): 76036975

約数列:

[1, 5, 7, 11, 31, 35, 49, 55, 77, 121, 139, 155, 217, 245, 341, 385, 539, 605, 695, 847, 973, 1085, 1519, 1529, 1705, 2387, 2695, 3751, 4235, 4309, 4865, 5929, 6811, 7595, 7645, 10703, 11935, 16709, 16819, 18755, 21545, 26257, 29645, 30163, 34055, 47399, 53515, 74921, 83545, 84095, 117733, 131285, 150815, 183799, 211141, 236995, 331793, 374605, 521389, 588665, 824131, 918995, 1055705, 1658965, 2322551, 2606945, 3649723, 4120655, 11612755, 18248615, 25548061, 127740305]

約数ペア:

[(1, 127740305), (5, 25548061), (7, 18248615), (11, 11612755), (31, 4120655), (35, 3649723), (49, 2606945), (55, 2322551), (77, 1658965), (121, 1055705), (139, 918995), (155, 824131), (217, 588665), (245, 521389), (341, 374605), (385, 331793), (539, 236995), (605, 211141), (695, 183799), (847, 150815), (973, 131285), (1085, 117733), (1519, 84095), (1529, 83545), (1705, 74921), (2387, 53515), (2695, 47399), (3751, 34055), (4235, 30163), (4309, 29645), (4865, 26257), (5929, 21545), (6811, 18755), (7595, 16819), (7645, 16709), (10703, 11935)]