257006750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 657745920

約数和(自身を除く): 400739170

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 25, 26, 35, 50, 55, 65, 70, 77, 79, 91, 110, 125, 130, 143, 154, 158, 169, 175, 182, 250, 275, 286, 325, 338, 350, 385, 395, 455, 550, 553, 650, 715, 770, 790, 845, 869, 875, 910, 1001, 1027, 1106, 1183, 1375, 1430, 1625, 1690, 1738, 1750, 1859, 1925, 1975, 2002, 2054, 2275, 2366, 2750, 2765, 3250, 3575, 3718, 3850, 3950, 4225, 4345, 4550, 5005, 5135, 5530, 5915, 6083, 7150, 7189, 8450, 8690, 9295, 9625, 9875, 10010, 10270, 11297, 11375, 11830, 12166, 13013, 13351, 13825, 14378, 17875, 18590, 19250, 19750, 21125, 21725, 22594, 22750, 25025, 25675, 26026, 26702, 27650, 29575, 30415, 35750, 35945, 42250, 43450, 46475, 50050, 51350, 56485, 59150, 60830, 65065, 66755, 69125, 71890, 79079, 92950, 93457, 108625, 112970, 125125, 128375, 130130, 133510, 138250, 146861, 147875, 152075, 158158, 179725, 186914, 217250, 232375, 250250, 256750, 282425, 293722, 295750, 304150, 325325, 333775, 359450, 395395, 464750, 467285, 564850, 650650, 667550, 734305, 760375, 790790, 898625, 934570, 1028027, 1412125, 1468610, 1520750, 1626625, 1668875, 1797250, 1976975, 2056054, 2336425, 2824250, 3253250, 3337750, 3671525, 3953950, 4672850, 5140135, 7343050, 9884875, 10280270, 11682125, 18357625, 19769750, 23364250, 25700675, 36715250, 51401350, 128503375, 257006750]

約数ペア:

[(1, 257006750), (2, 128503375), (5, 51401350), (7, 36715250), (10, 25700675), (11, 23364250), (13, 19769750), (14, 18357625), (22, 11682125), (25, 10280270), (26, 9884875), (35, 7343050), (50, 5140135), (55, 4672850), (65, 3953950), (70, 3671525), (77, 3337750), (79, 3253250), (91, 2824250), (110, 2336425), (125, 2056054), (130, 1976975), (143, 1797250), (154, 1668875), (158, 1626625), (169, 1520750), (175, 1468610), (182, 1412125), (250, 1028027), (275, 934570), (286, 898625), (325, 790790), (338, 760375), (350, 734305), (385, 667550), (395, 650650), (455, 564850), (550, 467285), (553, 464750), (650, 395395), (715, 359450), (770, 333775), (790, 325325), (845, 304150), (869, 295750), (875, 293722), (910, 282425), (1001, 256750), (1027, 250250), (1106, 232375), (1183, 217250), (1375, 186914), (1430, 179725), (1625, 158158), (1690, 152075), (1738, 147875), (1750, 146861), (1859, 138250), (1925, 133510), (1975, 130130), (2002, 128375), (2054, 125125), (2275, 112970), (2366, 108625), (2750, 93457), (2765, 92950), (3250, 79079), (3575, 71890), (3718, 69125), (3850, 66755), (3950, 65065), (4225, 60830), (4345, 59150), (4550, 56485), (5005, 51350), (5135, 50050), (5530, 46475), (5915, 43450), (6083, 42250), (7150, 35945), (7189, 35750), (8450, 30415), (8690, 29575), (9295, 27650), (9625, 26702), (9875, 26026), (10010, 25675), (10270, 25025), (11297, 22750), (11375, 22594), (11830, 21725), (12166, 21125), (13013, 19750), (13351, 19250), (13825, 18590), (14378, 17875)]