28318500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 288

約数和(自身を含む): 109025280

約数和(自身を除く): 80706780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 29, 30, 31, 35, 36, 42, 45, 50, 58, 60, 62, 63, 70, 75, 84, 87, 90, 93, 100, 105, 116, 124, 125, 126, 140, 145, 150, 155, 174, 175, 180, 186, 203, 210, 217, 225, 250, 252, 261, 279, 290, 300, 310, 315, 348, 350, 372, 375, 406, 420, 434, 435, 450, 465, 500, 522, 525, 558, 580, 609, 620, 630, 651, 700, 725, 750, 775, 812, 868, 870, 875, 899, 900, 930, 1015, 1044, 1050, 1085, 1116, 1125, 1218, 1260, 1302, 1305, 1395, 1450, 1500, 1550, 1575, 1740, 1750, 1798, 1827, 1860, 1953, 2030, 2100, 2170, 2175, 2250, 2325, 2436, 2604, 2610, 2625, 2697, 2790, 2900, 3045, 3100, 3150, 3255, 3500, 3596, 3625, 3654, 3875, 3906, 4060, 4340, 4350, 4495, 4500, 4650, 5075, 5220, 5250, 5394, 5425, 5580, 6090, 6293, 6300, 6510, 6525, 6975, 7250, 7308, 7750, 7812, 7875, 8091, 8700, 8990, 9135, 9300, 9765, 10150, 10500, 10788, 10850, 10875, 11625, 12180, 12586, 13020, 13050, 13485, 13950, 14500, 15225, 15500, 15750, 16182, 16275, 17980, 18270, 18879, 19530, 20300, 21700, 21750, 22475, 23250, 25172, 25375, 26100, 26970, 27125, 27900, 30450, 31465, 31500, 32364, 32550, 32625, 34875, 36540, 37758, 39060, 40455, 43500, 44950, 45675, 46500, 48825, 50750, 53940, 54250, 56637, 60900, 62930, 65100, 65250, 67425, 69750, 75516, 76125, 80910, 81375, 89900, 91350, 94395, 97650, 101500, 108500, 112375, 113274, 125860, 130500, 134850, 139500, 152250, 157325, 161820, 162750, 182700, 188790, 195300, 202275, 224750, 226548, 228375, 244125, 269700, 283185, 304500, 314650, 325500, 337125, 377580, 404550, 449500, 456750, 471975, 488250, 566370, 629300, 674250, 786625, 809100, 913500, 943950, 976500, 1011375, 1132740, 1348500, 1415925, 1573250, 1887900, 2022750, 2359875, 2831850, 3146500, 4045500, 4719750, 5663700, 7079625, 9439500, 14159250, 28318500]

約数ペア:

[(1, 28318500), (2, 14159250), (3, 9439500), (4, 7079625), (5, 5663700), (6, 4719750), (7, 4045500), (9, 3146500), (10, 2831850), (12, 2359875), (14, 2022750), (15, 1887900), (18, 1573250), (20, 1415925), (21, 1348500), (25, 1132740), (28, 1011375), (29, 976500), (30, 943950), (31, 913500), (35, 809100), (36, 786625), (42, 674250), (45, 629300), (50, 566370), (58, 488250), (60, 471975), (62, 456750), (63, 449500), (70, 404550), (75, 377580), (84, 337125), (87, 325500), (90, 314650), (93, 304500), (100, 283185), (105, 269700), (116, 244125), (124, 228375), (125, 226548), (126, 224750), (140, 202275), (145, 195300), (150, 188790), (155, 182700), (174, 162750), (175, 161820), (180, 157325), (186, 152250), (203, 139500), (210, 134850), (217, 130500), (225, 125860), (250, 113274), (252, 112375), (261, 108500), (279, 101500), (290, 97650), (300, 94395), (310, 91350), (315, 89900), (348, 81375), (350, 80910), (372, 76125), (375, 75516), (406, 69750), (420, 67425), (434, 65250), (435, 65100), (450, 62930), (465, 60900), (500, 56637), (522, 54250), (525, 53940), (558, 50750), (580, 48825), (609, 46500), (620, 45675), (630, 44950), (651, 43500), (700, 40455), (725, 39060), (750, 37758), (775, 36540), (812, 34875), (868, 32625), (870, 32550), (875, 32364), (899, 31500), (900, 31465), (930, 30450), (1015, 27900), (1044, 27125), (1050, 26970), (1085, 26100), (1116, 25375), (1125, 25172), (1218, 23250), (1260, 22475), (1302, 21750), (1305, 21700), (1395, 20300), (1450, 19530), (1500, 18879), (1550, 18270), (1575, 17980), (1740, 16275), (1750, 16182), (1798, 15750), (1827, 15500), (1860, 15225), (1953, 14500), (2030, 13950), (2100, 13485), (2170, 13050), (2175, 13020), (2250, 12586), (2325, 12180), (2436, 11625), (2604, 10875), (2610, 10850), (2625, 10788), (2697, 10500), (2790, 10150), (2900, 9765), (3045, 9300), (3100, 9135), (3150, 8990), (3255, 8700), (3500, 8091), (3596, 7875), (3625, 7812), (3654, 7750), (3875, 7308), (3906, 7250), (4060, 6975), (4340, 6525), (4350, 6510), (4495, 6300), (4500, 6293), (4650, 6090), (5075, 5580), (5220, 5425), (5250, 5394)]