255976968

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1489}}^1$

素因数の和:1559

約数の個数: 128

約数和(自身を含む): 750960000

約数和(自身を除く): 494983032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 29, 38, 39, 52, 57, 58, 76, 78, 87, 104, 114, 116, 152, 156, 174, 228, 232, 247, 312, 348, 377, 456, 494, 551, 696, 741, 754, 988, 1102, 1131, 1482, 1489, 1508, 1653, 1976, 2204, 2262, 2964, 2978, 3016, 3306, 4408, 4467, 4524, 5928, 5956, 6612, 7163, 8934, 9048, 11912, 13224, 14326, 17868, 19357, 21489, 28291, 28652, 35736, 38714, 42978, 43181, 56582, 57304, 58071, 77428, 84873, 85956, 86362, 113164, 116142, 129543, 154856, 169746, 171912, 172724, 226328, 232284, 259086, 339492, 345448, 367783, 464568, 518172, 561353, 678984, 735566, 820439, 1036344, 1103349, 1122706, 1471132, 1640878, 1684059, 2206698, 2245412, 2461317, 2942264, 3281756, 3368118, 4413396, 4490824, 4922634, 6563512, 6736236, 8826792, 9845268, 10665707, 13472472, 19690536, 21331414, 31997121, 42662828, 63994242, 85325656, 127988484, 255976968]

約数ペア:

[(1, 255976968), (2, 127988484), (3, 85325656), (4, 63994242), (6, 42662828), (8, 31997121), (12, 21331414), (13, 19690536), (19, 13472472), (24, 10665707), (26, 9845268), (29, 8826792), (38, 6736236), (39, 6563512), (52, 4922634), (57, 4490824), (58, 4413396), (76, 3368118), (78, 3281756), (87, 2942264), (104, 2461317), (114, 2245412), (116, 2206698), (152, 1684059), (156, 1640878), (174, 1471132), (228, 1122706), (232, 1103349), (247, 1036344), (312, 820439), (348, 735566), (377, 678984), (456, 561353), (494, 518172), (551, 464568), (696, 367783), (741, 345448), (754, 339492), (988, 259086), (1102, 232284), (1131, 226328), (1482, 172724), (1489, 171912), (1508, 169746), (1653, 154856), (1976, 129543), (2204, 116142), (2262, 113164), (2964, 86362), (2978, 85956), (3016, 84873), (3306, 77428), (4408, 58071), (4467, 57304), (4524, 56582), (5928, 43181), (5956, 42978), (6612, 38714), (7163, 35736), (8934, 28652), (9048, 28291), (11912, 21489), (13224, 19357), (14326, 17868)]