257665800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2036

約数の個数: 192

約数和(自身を含む): 942796800

約数和(自身を除く): 685131000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 31, 35, 40, 42, 50, 56, 60, 62, 70, 75, 84, 93, 100, 105, 120, 124, 140, 150, 155, 168, 175, 186, 200, 210, 217, 248, 280, 300, 310, 350, 372, 420, 434, 465, 525, 600, 620, 651, 700, 744, 775, 840, 868, 930, 1050, 1085, 1240, 1302, 1400, 1550, 1736, 1860, 1979, 2100, 2170, 2325, 2604, 3100, 3255, 3720, 3958, 4200, 4340, 4650, 5208, 5425, 5937, 6200, 6510, 7916, 8680, 9300, 9895, 10850, 11874, 13020, 13853, 15832, 16275, 18600, 19790, 21700, 23748, 26040, 27706, 29685, 32550, 39580, 41559, 43400, 47496, 49475, 55412, 59370, 61349, 65100, 69265, 79160, 83118, 98950, 110824, 118740, 122698, 130200, 138530, 148425, 166236, 184047, 197900, 207795, 237480, 245396, 277060, 296850, 306745, 332472, 346325, 368094, 395800, 415590, 429443, 490792, 554120, 593700, 613490, 692650, 736188, 831180, 858886, 920235, 1038975, 1187400, 1226980, 1288329, 1385300, 1472376, 1533725, 1662360, 1717772, 1840470, 2077950, 2147215, 2453960, 2576658, 2770600, 3067450, 3435544, 3680940, 4155900, 4294430, 4601175, 5153316, 6134900, 6441645, 7361880, 8311800, 8588860, 9202350, 10306632, 10736075, 12269800, 12883290, 17177720, 18404700, 21472150, 25766580, 32208225, 36809400, 42944300, 51533160, 64416450, 85888600, 128832900, 257665800]

約数ペア:

[(1, 257665800), (2, 128832900), (3, 85888600), (4, 64416450), (5, 51533160), (6, 42944300), (7, 36809400), (8, 32208225), (10, 25766580), (12, 21472150), (14, 18404700), (15, 17177720), (20, 12883290), (21, 12269800), (24, 10736075), (25, 10306632), (28, 9202350), (30, 8588860), (31, 8311800), (35, 7361880), (40, 6441645), (42, 6134900), (50, 5153316), (56, 4601175), (60, 4294430), (62, 4155900), (70, 3680940), (75, 3435544), (84, 3067450), (93, 2770600), (100, 2576658), (105, 2453960), (120, 2147215), (124, 2077950), (140, 1840470), (150, 1717772), (155, 1662360), (168, 1533725), (175, 1472376), (186, 1385300), (200, 1288329), (210, 1226980), (217, 1187400), (248, 1038975), (280, 920235), (300, 858886), (310, 831180), (350, 736188), (372, 692650), (420, 613490), (434, 593700), (465, 554120), (525, 490792), (600, 429443), (620, 415590), (651, 395800), (700, 368094), (744, 346325), (775, 332472), (840, 306745), (868, 296850), (930, 277060), (1050, 245396), (1085, 237480), (1240, 207795), (1302, 197900), (1400, 184047), (1550, 166236), (1736, 148425), (1860, 138530), (1979, 130200), (2100, 122698), (2170, 118740), (2325, 110824), (2604, 98950), (3100, 83118), (3255, 79160), (3720, 69265), (3958, 65100), (4200, 61349), (4340, 59370), (4650, 55412), (5208, 49475), (5425, 47496), (5937, 43400), (6200, 41559), (6510, 39580), (7916, 32550), (8680, 29685), (9300, 27706), (9895, 26040), (10850, 23748), (11874, 21700), (13020, 19790), (13853, 18600), (15832, 16275)]