256483500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1879}}^1$

素因数の和:1921

約数の個数: 192

約数和(自身を含む): 919726080

約数和(自身を除く): 663242580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 125, 130, 140, 150, 156, 175, 182, 195, 210, 250, 260, 273, 300, 325, 350, 364, 375, 390, 420, 455, 500, 525, 546, 650, 700, 750, 780, 875, 910, 975, 1050, 1092, 1300, 1365, 1500, 1625, 1750, 1820, 1879, 1950, 2100, 2275, 2625, 2730, 3250, 3500, 3758, 3900, 4550, 4875, 5250, 5460, 5637, 6500, 6825, 7516, 9100, 9395, 9750, 10500, 11274, 11375, 13153, 13650, 18790, 19500, 22548, 22750, 24427, 26306, 27300, 28185, 34125, 37580, 39459, 45500, 46975, 48854, 52612, 56370, 65765, 68250, 73281, 78918, 93950, 97708, 112740, 122135, 131530, 136500, 140925, 146562, 157836, 170989, 187900, 197295, 234875, 244270, 263060, 281850, 293124, 328825, 341978, 366405, 394590, 469750, 488540, 512967, 563700, 610675, 657650, 683956, 704625, 732810, 789180, 854945, 939500, 986475, 1025934, 1221350, 1315300, 1409250, 1465620, 1644125, 1709890, 1832025, 1972950, 2051868, 2442700, 2564835, 2818500, 3053375, 3288250, 3419780, 3664050, 3945900, 4274725, 4932375, 5129670, 6106750, 6576500, 7328100, 8549450, 9160125, 9864750, 10259340, 12213500, 12824175, 17098900, 18320250, 19729500, 21373625, 25648350, 36640500, 42747250, 51296700, 64120875, 85494500, 128241750, 256483500]

約数ペア:

[(1, 256483500), (2, 128241750), (3, 85494500), (4, 64120875), (5, 51296700), (6, 42747250), (7, 36640500), (10, 25648350), (12, 21373625), (13, 19729500), (14, 18320250), (15, 17098900), (20, 12824175), (21, 12213500), (25, 10259340), (26, 9864750), (28, 9160125), (30, 8549450), (35, 7328100), (39, 6576500), (42, 6106750), (50, 5129670), (52, 4932375), (60, 4274725), (65, 3945900), (70, 3664050), (75, 3419780), (78, 3288250), (84, 3053375), (91, 2818500), (100, 2564835), (105, 2442700), (125, 2051868), (130, 1972950), (140, 1832025), (150, 1709890), (156, 1644125), (175, 1465620), (182, 1409250), (195, 1315300), (210, 1221350), (250, 1025934), (260, 986475), (273, 939500), (300, 854945), (325, 789180), (350, 732810), (364, 704625), (375, 683956), (390, 657650), (420, 610675), (455, 563700), (500, 512967), (525, 488540), (546, 469750), (650, 394590), (700, 366405), (750, 341978), (780, 328825), (875, 293124), (910, 281850), (975, 263060), (1050, 244270), (1092, 234875), (1300, 197295), (1365, 187900), (1500, 170989), (1625, 157836), (1750, 146562), (1820, 140925), (1879, 136500), (1950, 131530), (2100, 122135), (2275, 112740), (2625, 97708), (2730, 93950), (3250, 78918), (3500, 73281), (3758, 68250), (3900, 65765), (4550, 56370), (4875, 52612), (5250, 48854), (5460, 46975), (5637, 45500), (6500, 39459), (6825, 37580), (7516, 34125), (9100, 28185), (9395, 27300), (9750, 26306), (10500, 24427), (11274, 22750), (11375, 22548), (13153, 19500), (13650, 18790)]