51518390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2909}}^1$

素因数の和:2957

約数の個数: 64

約数和(自身を含む): 120683520

約数和(自身を除く): 69165130

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1265, 1610, 1771, 2530, 2909, 3542, 5818, 8855, 14545, 17710, 20363, 29090, 31999, 40726, 63998, 66907, 101815, 133814, 159995, 203630, 223993, 319990, 334535, 447986, 468349, 669070, 735977, 936698, 1119965, 1471954, 2239930, 2341745, 3679885, 4683490, 5151839, 7359770, 10303678, 25759195, 51518390]

約数ペア:

[(1, 51518390), (2, 25759195), (5, 10303678), (7, 7359770), (10, 5151839), (11, 4683490), (14, 3679885), (22, 2341745), (23, 2239930), (35, 1471954), (46, 1119965), (55, 936698), (70, 735977), (77, 669070), (110, 468349), (115, 447986), (154, 334535), (161, 319990), (230, 223993), (253, 203630), (322, 159995), (385, 133814), (506, 101815), (770, 66907), (805, 63998), (1265, 40726), (1610, 31999), (1771, 29090), (2530, 20363), (2909, 17710), (3542, 14545), (5818, 8855)]