28757190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 128

約数和(自身を含む): 87920640

約数和(自身を除く): 59163450

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 59, 66, 70, 77, 105, 110, 118, 154, 165, 177, 210, 211, 231, 295, 330, 354, 385, 413, 422, 462, 590, 633, 649, 770, 826, 885, 1055, 1155, 1239, 1266, 1298, 1477, 1770, 1947, 2065, 2110, 2310, 2321, 2478, 2954, 3165, 3245, 3894, 4130, 4431, 4543, 4642, 6195, 6330, 6490, 6963, 7385, 8862, 9086, 9735, 11605, 12390, 12449, 13629, 13926, 14770, 16247, 19470, 22155, 22715, 23210, 24898, 27258, 32494, 34815, 37347, 44310, 45430, 48741, 62245, 68145, 69630, 74694, 81235, 87143, 97482, 124490, 136290, 136939, 162470, 174286, 186735, 243705, 261429, 273878, 373470, 410817, 435715, 487410, 522858, 684695, 821634, 871430, 958573, 1307145, 1369390, 1917146, 2054085, 2614290, 2875719, 4108170, 4792865, 5751438, 9585730, 14378595, 28757190]

約数ペア:

[(1, 28757190), (2, 14378595), (3, 9585730), (5, 5751438), (6, 4792865), (7, 4108170), (10, 2875719), (11, 2614290), (14, 2054085), (15, 1917146), (21, 1369390), (22, 1307145), (30, 958573), (33, 871430), (35, 821634), (42, 684695), (55, 522858), (59, 487410), (66, 435715), (70, 410817), (77, 373470), (105, 273878), (110, 261429), (118, 243705), (154, 186735), (165, 174286), (177, 162470), (210, 136939), (211, 136290), (231, 124490), (295, 97482), (330, 87143), (354, 81235), (385, 74694), (413, 69630), (422, 68145), (462, 62245), (590, 48741), (633, 45430), (649, 44310), (770, 37347), (826, 34815), (885, 32494), (1055, 27258), (1155, 24898), (1239, 23210), (1266, 22715), (1298, 22155), (1477, 19470), (1770, 16247), (1947, 14770), (2065, 13926), (2110, 13629), (2310, 12449), (2321, 12390), (2478, 11605), (2954, 9735), (3165, 9086), (3245, 8862), (3894, 7385), (4130, 6963), (4431, 6490), (4543, 6330), (4642, 6195)]