257279400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^2\times {\mathrm{2917}}^1$

素因数の和:2953

約数の個数: 216

約数和(自身を含む): 1005440670

約数和(自身を除く): 748161270

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 49, 50, 56, 60, 63, 70, 72, 75, 84, 90, 98, 100, 105, 120, 126, 140, 147, 150, 168, 175, 180, 196, 200, 210, 225, 245, 252, 280, 294, 300, 315, 350, 360, 392, 420, 441, 450, 490, 504, 525, 588, 600, 630, 700, 735, 840, 882, 900, 980, 1050, 1176, 1225, 1260, 1400, 1470, 1575, 1764, 1800, 1960, 2100, 2205, 2450, 2520, 2917, 2940, 3150, 3528, 3675, 4200, 4410, 4900, 5834, 5880, 6300, 7350, 8751, 8820, 9800, 11025, 11668, 12600, 14585, 14700, 17502, 17640, 20419, 22050, 23336, 26253, 29170, 29400, 35004, 40838, 43755, 44100, 52506, 58340, 61257, 70008, 72925, 81676, 87510, 88200, 102095, 105012, 116680, 122514, 131265, 142933, 145850, 163352, 175020, 183771, 204190, 210024, 218775, 245028, 262530, 285866, 291700, 306285, 350040, 367542, 408380, 428799, 437550, 490056, 510475, 525060, 571732, 583400, 612570, 656325, 714665, 735084, 816760, 857598, 875100, 918855, 1020950, 1050120, 1143464, 1225140, 1286397, 1312650, 1429330, 1470168, 1531425, 1715196, 1750200, 1837710, 2041900, 2143995, 2450280, 2572794, 2625300, 2858660, 3062850, 3430392, 3573325, 3675420, 4083800, 4287990, 4594275, 5145588, 5250600, 5717320, 6125700, 6431985, 7146650, 7350840, 8575980, 9188550, 10291176, 10719975, 12251400, 12863970, 14293300, 17151960, 18377100, 21439950, 25727940, 28586600, 32159925, 36754200, 42879900, 51455880, 64319850, 85759800, 128639700, 257279400]

約数ペア:

[(1, 257279400), (2, 128639700), (3, 85759800), (4, 64319850), (5, 51455880), (6, 42879900), (7, 36754200), (8, 32159925), (9, 28586600), (10, 25727940), (12, 21439950), (14, 18377100), (15, 17151960), (18, 14293300), (20, 12863970), (21, 12251400), (24, 10719975), (25, 10291176), (28, 9188550), (30, 8575980), (35, 7350840), (36, 7146650), (40, 6431985), (42, 6125700), (45, 5717320), (49, 5250600), (50, 5145588), (56, 4594275), (60, 4287990), (63, 4083800), (70, 3675420), (72, 3573325), (75, 3430392), (84, 3062850), (90, 2858660), (98, 2625300), (100, 2572794), (105, 2450280), (120, 2143995), (126, 2041900), (140, 1837710), (147, 1750200), (150, 1715196), (168, 1531425), (175, 1470168), (180, 1429330), (196, 1312650), (200, 1286397), (210, 1225140), (225, 1143464), (245, 1050120), (252, 1020950), (280, 918855), (294, 875100), (300, 857598), (315, 816760), (350, 735084), (360, 714665), (392, 656325), (420, 612570), (441, 583400), (450, 571732), (490, 525060), (504, 510475), (525, 490056), (588, 437550), (600, 428799), (630, 408380), (700, 367542), (735, 350040), (840, 306285), (882, 291700), (900, 285866), (980, 262530), (1050, 245028), (1176, 218775), (1225, 210024), (1260, 204190), (1400, 183771), (1470, 175020), (1575, 163352), (1764, 145850), (1800, 142933), (1960, 131265), (2100, 122514), (2205, 116680), (2450, 105012), (2520, 102095), (2917, 88200), (2940, 87510), (3150, 81676), (3528, 72925), (3675, 70008), (4200, 61257), (4410, 58340), (4900, 52506), (5834, 44100), (5880, 43755), (6300, 40838), (7350, 35004), (8751, 29400), (8820, 29170), (9800, 26253), (11025, 23336), (11668, 22050), (12600, 20419), (14585, 17640), (14700, 17502)]