257831100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:394

約数の個数: 180

約数和(自身を含む): 845475400

約数和(自身を除く): 587644300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 139, 150, 162, 180, 225, 229, 270, 278, 300, 324, 405, 417, 450, 458, 540, 556, 675, 687, 695, 810, 834, 900, 916, 1145, 1251, 1350, 1374, 1390, 1620, 1668, 2025, 2061, 2085, 2290, 2502, 2700, 2748, 2780, 3435, 3475, 3753, 4050, 4122, 4170, 4580, 5004, 5725, 6183, 6255, 6870, 6950, 7506, 8100, 8244, 8340, 10305, 10425, 11259, 11450, 12366, 12510, 13740, 13900, 15012, 17175, 18549, 18765, 20610, 20850, 22518, 22900, 24732, 25020, 30915, 31275, 31831, 34350, 37098, 37530, 41220, 41700, 45036, 51525, 56295, 61830, 62550, 63662, 68700, 74196, 75060, 92745, 93825, 95493, 103050, 112590, 123660, 125100, 127324, 154575, 159155, 185490, 187650, 190986, 206100, 225180, 281475, 286479, 309150, 318310, 370980, 375300, 381972, 463725, 477465, 562950, 572958, 618300, 636620, 795775, 859437, 927450, 954930, 1125900, 1145916, 1432395, 1591550, 1718874, 1854900, 1909860, 2387325, 2578311, 2864790, 3183100, 3437748, 4297185, 4774650, 5156622, 5729580, 7161975, 8594370, 9549300, 10313244, 12891555, 14323950, 17188740, 21485925, 25783110, 28647900, 42971850, 51566220, 64457775, 85943700, 128915550, 257831100]

約数ペア:

[(1, 257831100), (2, 128915550), (3, 85943700), (4, 64457775), (5, 51566220), (6, 42971850), (9, 28647900), (10, 25783110), (12, 21485925), (15, 17188740), (18, 14323950), (20, 12891555), (25, 10313244), (27, 9549300), (30, 8594370), (36, 7161975), (45, 5729580), (50, 5156622), (54, 4774650), (60, 4297185), (75, 3437748), (81, 3183100), (90, 2864790), (100, 2578311), (108, 2387325), (135, 1909860), (139, 1854900), (150, 1718874), (162, 1591550), (180, 1432395), (225, 1145916), (229, 1125900), (270, 954930), (278, 927450), (300, 859437), (324, 795775), (405, 636620), (417, 618300), (450, 572958), (458, 562950), (540, 477465), (556, 463725), (675, 381972), (687, 375300), (695, 370980), (810, 318310), (834, 309150), (900, 286479), (916, 281475), (1145, 225180), (1251, 206100), (1350, 190986), (1374, 187650), (1390, 185490), (1620, 159155), (1668, 154575), (2025, 127324), (2061, 125100), (2085, 123660), (2290, 112590), (2502, 103050), (2700, 95493), (2748, 93825), (2780, 92745), (3435, 75060), (3475, 74196), (3753, 68700), (4050, 63662), (4122, 62550), (4170, 61830), (4580, 56295), (5004, 51525), (5725, 45036), (6183, 41700), (6255, 41220), (6870, 37530), (6950, 37098), (7506, 34350), (8100, 31831), (8244, 31275), (8340, 30915), (10305, 25020), (10425, 24732), (11259, 22900), (11450, 22518), (12366, 20850), (12510, 20610), (13740, 18765), (13900, 18549), (15012, 17175)]