28290570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 128

約数和(自身を含む): 87201792

約数和(自身を除く): 58911222

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 37, 42, 55, 66, 70, 74, 77, 105, 110, 111, 154, 165, 185, 210, 222, 231, 259, 330, 331, 370, 385, 407, 462, 518, 555, 662, 770, 777, 814, 993, 1110, 1155, 1221, 1295, 1554, 1655, 1986, 2035, 2310, 2317, 2442, 2590, 2849, 3310, 3641, 3885, 4070, 4634, 4965, 5698, 6105, 6951, 7282, 7770, 8547, 9930, 10923, 11585, 12210, 12247, 13902, 14245, 17094, 18205, 21846, 23170, 24494, 25487, 28490, 34755, 36410, 36741, 42735, 50974, 54615, 61235, 69510, 73482, 76461, 85470, 85729, 109230, 122470, 127435, 134717, 152922, 171458, 183705, 254870, 257187, 269434, 367410, 382305, 404151, 428645, 514374, 673585, 764610, 808302, 857290, 943019, 1285935, 1347170, 1886038, 2020755, 2571870, 2829057, 4041510, 4715095, 5658114, 9430190, 14145285, 28290570]

約数ペア:

[(1, 28290570), (2, 14145285), (3, 9430190), (5, 5658114), (6, 4715095), (7, 4041510), (10, 2829057), (11, 2571870), (14, 2020755), (15, 1886038), (21, 1347170), (22, 1285935), (30, 943019), (33, 857290), (35, 808302), (37, 764610), (42, 673585), (55, 514374), (66, 428645), (70, 404151), (74, 382305), (77, 367410), (105, 269434), (110, 257187), (111, 254870), (154, 183705), (165, 171458), (185, 152922), (210, 134717), (222, 127435), (231, 122470), (259, 109230), (330, 85729), (331, 85470), (370, 76461), (385, 73482), (407, 69510), (462, 61235), (518, 54615), (555, 50974), (662, 42735), (770, 36741), (777, 36410), (814, 34755), (993, 28490), (1110, 25487), (1155, 24494), (1221, 23170), (1295, 21846), (1554, 18205), (1655, 17094), (1986, 14245), (2035, 13902), (2310, 12247), (2317, 12210), (2442, 11585), (2590, 10923), (2849, 9930), (3310, 8547), (3641, 7770), (3885, 7282), (4070, 6951), (4634, 6105), (4965, 5698)]