257748400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 240

約数和(自身を含む): 780547264

約数和(自身を除く): 522798864

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 73, 80, 91, 97, 100, 104, 112, 130, 140, 146, 175, 182, 194, 200, 208, 260, 280, 292, 325, 350, 364, 365, 388, 400, 455, 485, 511, 520, 560, 584, 650, 679, 700, 728, 730, 776, 910, 949, 970, 1022, 1040, 1168, 1261, 1300, 1358, 1400, 1456, 1460, 1552, 1820, 1825, 1898, 1940, 2044, 2275, 2425, 2522, 2555, 2600, 2716, 2800, 2920, 3395, 3640, 3650, 3796, 3880, 4088, 4550, 4745, 4850, 5044, 5110, 5200, 5432, 5840, 6305, 6643, 6790, 7081, 7280, 7300, 7592, 7760, 8176, 8827, 9100, 9490, 9700, 10088, 10220, 10864, 12610, 12775, 13286, 13580, 14162, 14600, 15184, 16975, 17654, 18200, 18980, 19400, 20176, 20440, 23725, 25220, 25550, 26572, 27160, 28324, 29200, 31525, 33215, 33950, 35308, 35405, 36400, 37960, 38800, 40880, 44135, 47450, 49567, 50440, 51100, 53144, 54320, 56648, 63050, 66430, 67900, 70616, 70810, 75920, 88270, 92053, 94900, 99134, 100880, 102200, 106288, 113296, 126100, 132860, 135800, 141232, 141620, 166075, 176540, 177025, 184106, 189800, 198268, 204400, 220675, 247835, 252200, 265720, 271600, 283240, 332150, 353080, 354050, 368212, 379600, 396536, 441350, 460265, 495670, 504400, 531440, 566480, 644371, 664300, 706160, 708100, 736424, 793072, 882700, 920530, 991340, 1239175, 1288742, 1328600, 1416200, 1472848, 1765400, 1841060, 1982680, 2301325, 2478350, 2577484, 2657200, 2832400, 3221855, 3530800, 3682120, 3965360, 4602650, 4956700, 5154968, 6443710, 7364240, 9205300, 9913400, 10309936, 12887420, 16109275, 18410600, 19826800, 25774840, 32218550, 36821200, 51549680, 64437100, 128874200, 257748400]

約数ペア:

[(1, 257748400), (2, 128874200), (4, 64437100), (5, 51549680), (7, 36821200), (8, 32218550), (10, 25774840), (13, 19826800), (14, 18410600), (16, 16109275), (20, 12887420), (25, 10309936), (26, 9913400), (28, 9205300), (35, 7364240), (40, 6443710), (50, 5154968), (52, 4956700), (56, 4602650), (65, 3965360), (70, 3682120), (73, 3530800), (80, 3221855), (91, 2832400), (97, 2657200), (100, 2577484), (104, 2478350), (112, 2301325), (130, 1982680), (140, 1841060), (146, 1765400), (175, 1472848), (182, 1416200), (194, 1328600), (200, 1288742), (208, 1239175), (260, 991340), (280, 920530), (292, 882700), (325, 793072), (350, 736424), (364, 708100), (365, 706160), (388, 664300), (400, 644371), (455, 566480), (485, 531440), (511, 504400), (520, 495670), (560, 460265), (584, 441350), (650, 396536), (679, 379600), (700, 368212), (728, 354050), (730, 353080), (776, 332150), (910, 283240), (949, 271600), (970, 265720), (1022, 252200), (1040, 247835), (1168, 220675), (1261, 204400), (1300, 198268), (1358, 189800), (1400, 184106), (1456, 177025), (1460, 176540), (1552, 166075), (1820, 141620), (1825, 141232), (1898, 135800), (1940, 132860), (2044, 126100), (2275, 113296), (2425, 106288), (2522, 102200), (2555, 100880), (2600, 99134), (2716, 94900), (2800, 92053), (2920, 88270), (3395, 75920), (3640, 70810), (3650, 70616), (3796, 67900), (3880, 66430), (4088, 63050), (4550, 56648), (4745, 54320), (4850, 53144), (5044, 51100), (5110, 50440), (5200, 49567), (5432, 47450), (5840, 44135), (6305, 40880), (6643, 38800), (6790, 37960), (7081, 36400), (7280, 35405), (7300, 35308), (7592, 33950), (7760, 33215), (8176, 31525), (8827, 29200), (9100, 28324), (9490, 27160), (9700, 26572), (10088, 25550), (10220, 25220), (10864, 23725), (12610, 20440), (12775, 20176), (13286, 19400), (13580, 18980), (14162, 18200), (14600, 17654), (15184, 16975)]