257738712

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:478

約数の個数: 192

約数和(自身を含む): 837580800

約数和(自身を除く): 579842088

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 42, 44, 56, 62, 66, 77, 84, 88, 93, 121, 124, 132, 154, 168, 186, 217, 231, 242, 248, 264, 308, 341, 363, 372, 409, 434, 462, 484, 616, 651, 682, 726, 744, 818, 847, 868, 924, 968, 1023, 1227, 1302, 1364, 1452, 1636, 1694, 1736, 1848, 2046, 2387, 2454, 2541, 2604, 2728, 2863, 2904, 3272, 3388, 3751, 4092, 4499, 4774, 4908, 5082, 5208, 5726, 6776, 7161, 7502, 8184, 8589, 8998, 9548, 9816, 10164, 11253, 11452, 12679, 13497, 14322, 15004, 17178, 17996, 19096, 20328, 22506, 22904, 25358, 26257, 26994, 28644, 30008, 31493, 34356, 35992, 38037, 45012, 49489, 50716, 52514, 53988, 57288, 62986, 68712, 76074, 78771, 88753, 90024, 94479, 98978, 101432, 105028, 107976, 125972, 139469, 148467, 152148, 157542, 177506, 188958, 197956, 210056, 251944, 266259, 278938, 296934, 304296, 315084, 346423, 355012, 377916, 395912, 418407, 532518, 557876, 593868, 630168, 692846, 710024, 755832, 836814, 976283, 1039269, 1065036, 1115752, 1187736, 1385692, 1534159, 1673628, 1952566, 2078538, 2130072, 2771384, 2928849, 3068318, 3347256, 3905132, 4157076, 4602477, 5857698, 6136636, 7810264, 8314152, 9204954, 10739113, 11715396, 12273272, 18409908, 21478226, 23430792, 32217339, 36819816, 42956452, 64434678, 85912904, 128869356, 257738712]

約数ペア:

[(1, 257738712), (2, 128869356), (3, 85912904), (4, 64434678), (6, 42956452), (7, 36819816), (8, 32217339), (11, 23430792), (12, 21478226), (14, 18409908), (21, 12273272), (22, 11715396), (24, 10739113), (28, 9204954), (31, 8314152), (33, 7810264), (42, 6136636), (44, 5857698), (56, 4602477), (62, 4157076), (66, 3905132), (77, 3347256), (84, 3068318), (88, 2928849), (93, 2771384), (121, 2130072), (124, 2078538), (132, 1952566), (154, 1673628), (168, 1534159), (186, 1385692), (217, 1187736), (231, 1115752), (242, 1065036), (248, 1039269), (264, 976283), (308, 836814), (341, 755832), (363, 710024), (372, 692846), (409, 630168), (434, 593868), (462, 557876), (484, 532518), (616, 418407), (651, 395912), (682, 377916), (726, 355012), (744, 346423), (818, 315084), (847, 304296), (868, 296934), (924, 278938), (968, 266259), (1023, 251944), (1227, 210056), (1302, 197956), (1364, 188958), (1452, 177506), (1636, 157542), (1694, 152148), (1736, 148467), (1848, 139469), (2046, 125972), (2387, 107976), (2454, 105028), (2541, 101432), (2604, 98978), (2728, 94479), (2863, 90024), (2904, 88753), (3272, 78771), (3388, 76074), (3751, 68712), (4092, 62986), (4499, 57288), (4774, 53988), (4908, 52514), (5082, 50716), (5208, 49489), (5726, 45012), (6776, 38037), (7161, 35992), (7502, 34356), (8184, 31493), (8589, 30008), (8998, 28644), (9548, 26994), (9816, 26257), (10164, 25358), (11253, 22904), (11452, 22506), (12679, 20328), (13497, 19096), (14322, 17996), (15004, 17178)]