257486100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 791616000

約数和(自身を除く): 534129900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 199, 227, 228, 285, 300, 380, 398, 454, 475, 570, 597, 681, 796, 908, 950, 995, 1135, 1140, 1194, 1362, 1425, 1900, 1990, 2270, 2388, 2724, 2850, 2985, 3405, 3781, 3980, 4313, 4540, 4975, 5675, 5700, 5970, 6810, 7562, 8626, 9950, 11343, 11350, 11940, 12939, 13620, 14925, 15124, 17025, 17252, 18905, 19900, 21565, 22686, 22700, 25878, 29850, 34050, 37810, 43130, 45173, 45372, 51756, 56715, 59700, 64695, 68100, 75620, 86260, 90346, 94525, 107825, 113430, 129390, 135519, 180692, 189050, 215650, 225865, 226860, 258780, 271038, 283575, 323475, 378100, 431300, 451730, 542076, 567150, 646950, 677595, 858287, 903460, 1129325, 1134300, 1293900, 1355190, 1716574, 2258650, 2574861, 2710380, 3387975, 3433148, 4291435, 4517300, 5149722, 6775950, 8582870, 10299444, 12874305, 13551900, 17165740, 21457175, 25748610, 42914350, 51497220, 64371525, 85828700, 128743050, 257486100]

約数ペア:

[(1, 257486100), (2, 128743050), (3, 85828700), (4, 64371525), (5, 51497220), (6, 42914350), (10, 25748610), (12, 21457175), (15, 17165740), (19, 13551900), (20, 12874305), (25, 10299444), (30, 8582870), (38, 6775950), (50, 5149722), (57, 4517300), (60, 4291435), (75, 3433148), (76, 3387975), (95, 2710380), (100, 2574861), (114, 2258650), (150, 1716574), (190, 1355190), (199, 1293900), (227, 1134300), (228, 1129325), (285, 903460), (300, 858287), (380, 677595), (398, 646950), (454, 567150), (475, 542076), (570, 451730), (597, 431300), (681, 378100), (796, 323475), (908, 283575), (950, 271038), (995, 258780), (1135, 226860), (1140, 225865), (1194, 215650), (1362, 189050), (1425, 180692), (1900, 135519), (1990, 129390), (2270, 113430), (2388, 107825), (2724, 94525), (2850, 90346), (2985, 86260), (3405, 75620), (3781, 68100), (3980, 64695), (4313, 59700), (4540, 56715), (4975, 51756), (5675, 45372), (5700, 45173), (5970, 43130), (6810, 37810), (7562, 34050), (8626, 29850), (9950, 25878), (11343, 22700), (11350, 22686), (11940, 21565), (12939, 19900), (13620, 18905), (14925, 17252), (15124, 17025)]