389291280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{4729}}^1$

素因数の和:4766

約数の個数: 160

約数和(自身を含む): 1407648000

約数和(自身を除く): 1018356720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 3430, 3920, 4116, 4729, 5145, 5488, 5880, 6860, 8232, 9458, 10290, 11760, 13720, 14187, 16464, 18916, 20580, 23645, 27440, 28374, 33103, 37832, 41160, 47290, 56748, 66206, 70935, 75664, 82320, 94580, 99309, 113496, 132412, 141870, 165515, 189160, 198618, 226992, 231721, 264824, 283740, 331030, 378320, 397236, 463442, 496545, 529648, 567480, 662060, 695163, 794472, 926884, 993090, 1134960, 1158605, 1324120, 1390326, 1588944, 1622047, 1853768, 1986180, 2317210, 2648240, 2780652, 3244094, 3475815, 3707536, 3972360, 4634420, 4866141, 5561304, 6488188, 6951630, 7944720, 8110235, 9268840, 9732282, 11122608, 12976376, 13903260, 16220470, 18537680, 19464564, 24330705, 25952752, 27806520, 32440940, 38929128, 48661410, 55613040, 64881880, 77858256, 97322820, 129763760, 194645640, 389291280]

約数ペア:

[(1, 389291280), (2, 194645640), (3, 129763760), (4, 97322820), (5, 77858256), (6, 64881880), (7, 55613040), (8, 48661410), (10, 38929128), (12, 32440940), (14, 27806520), (15, 25952752), (16, 24330705), (20, 19464564), (21, 18537680), (24, 16220470), (28, 13903260), (30, 12976376), (35, 11122608), (40, 9732282), (42, 9268840), (48, 8110235), (49, 7944720), (56, 6951630), (60, 6488188), (70, 5561304), (80, 4866141), (84, 4634420), (98, 3972360), (105, 3707536), (112, 3475815), (120, 3244094), (140, 2780652), (147, 2648240), (168, 2317210), (196, 1986180), (210, 1853768), (240, 1622047), (245, 1588944), (280, 1390326), (294, 1324120), (336, 1158605), (343, 1134960), (392, 993090), (420, 926884), (490, 794472), (560, 695163), (588, 662060), (686, 567480), (735, 529648), (784, 496545), (840, 463442), (980, 397236), (1029, 378320), (1176, 331030), (1372, 283740), (1470, 264824), (1680, 231721), (1715, 226992), (1960, 198618), (2058, 189160), (2352, 165515), (2744, 141870), (2940, 132412), (3430, 113496), (3920, 99309), (4116, 94580), (4729, 82320), (5145, 75664), (5488, 70935), (5880, 66206), (6860, 56748), (8232, 47290), (9458, 41160), (10290, 37832), (11760, 33103), (13720, 28374), (14187, 27440), (16464, 23645), (18916, 20580)]