20180860000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3067}}^1$

素因数の和:3151

約数の個数: 240

約数和(自身を含む): 57966644736

約数和(自身を除く): 37785784736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 47, 50, 56, 70, 80, 94, 100, 112, 125, 140, 160, 175, 188, 200, 224, 235, 250, 280, 329, 350, 376, 400, 470, 500, 560, 625, 658, 700, 752, 800, 875, 940, 1000, 1120, 1175, 1250, 1316, 1400, 1504, 1645, 1750, 1880, 2000, 2350, 2500, 2632, 2800, 3067, 3290, 3500, 3760, 4000, 4375, 4700, 5000, 5264, 5600, 5875, 6134, 6580, 7000, 7520, 8225, 8750, 9400, 10000, 10528, 11750, 12268, 13160, 14000, 15335, 16450, 17500, 18800, 20000, 21469, 23500, 24536, 26320, 28000, 29375, 30670, 32900, 35000, 37600, 41125, 42938, 47000, 49072, 52640, 58750, 61340, 65800, 70000, 76675, 82250, 85876, 94000, 98144, 107345, 117500, 122680, 131600, 140000, 144149, 153350, 164500, 171752, 188000, 205625, 214690, 235000, 245360, 263200, 288298, 306700, 329000, 343504, 383375, 411250, 429380, 470000, 490720, 536725, 576596, 613400, 658000, 687008, 720745, 766750, 822500, 858760, 940000, 1009043, 1073450, 1153192, 1226800, 1316000, 1441490, 1533500, 1645000, 1717520, 1916875, 2018086, 2146900, 2306384, 2453600, 2683625, 2882980, 3067000, 3290000, 3435040, 3603725, 3833750, 4036172, 4293800, 4612768, 5045215, 5367250, 5765960, 6134000, 6580000, 7207450, 7667500, 8072344, 8587600, 10090430, 10734500, 11531920, 12268000, 13418125, 14414900, 15335000, 16144688, 17175200, 18018625, 20180860, 21469000, 23063840, 25226075, 26836250, 28829800, 30670000, 32289376, 36037250, 40361720, 42938000, 50452150, 53672500, 57659600, 61340000, 72074500, 80723440, 85876000, 90093125, 100904300, 107345000, 115319200, 126130375, 144149000, 161446880, 180186250, 201808600, 214690000, 252260750, 288298000, 360372500, 403617200, 429380000, 504521500, 576596000, 630651875, 720745000, 807234400, 1009043000, 1261303750, 1441490000, 2018086000, 2522607500, 2882980000, 4036172000, 5045215000, 10090430000, 20180860000]

約数ペア:

[(1, 20180860000), (2, 10090430000), (4, 5045215000), (5, 4036172000), (7, 2882980000), (8, 2522607500), (10, 2018086000), (14, 1441490000), (16, 1261303750), (20, 1009043000), (25, 807234400), (28, 720745000), (32, 630651875), (35, 576596000), (40, 504521500), (47, 429380000), (50, 403617200), (56, 360372500), (70, 288298000), (80, 252260750), (94, 214690000), (100, 201808600), (112, 180186250), (125, 161446880), (140, 144149000), (160, 126130375), (175, 115319200), (188, 107345000), (200, 100904300), (224, 90093125), (235, 85876000), (250, 80723440), (280, 72074500), (329, 61340000), (350, 57659600), (376, 53672500), (400, 50452150), (470, 42938000), (500, 40361720), (560, 36037250), (625, 32289376), (658, 30670000), (700, 28829800), (752, 26836250), (800, 25226075), (875, 23063840), (940, 21469000), (1000, 20180860), (1120, 18018625), (1175, 17175200), (1250, 16144688), (1316, 15335000), (1400, 14414900), (1504, 13418125), (1645, 12268000), (1750, 11531920), (1880, 10734500), (2000, 10090430), (2350, 8587600), (2500, 8072344), (2632, 7667500), (2800, 7207450), (3067, 6580000), (3290, 6134000), (3500, 5765960), (3760, 5367250), (4000, 5045215), (4375, 4612768), (4700, 4293800), (5000, 4036172), (5264, 3833750), (5600, 3603725), (5875, 3435040), (6134, 3290000), (6580, 3067000), (7000, 2882980), (7520, 2683625), (8225, 2453600), (8750, 2306384), (9400, 2146900), (10000, 2018086), (10528, 1916875), (11750, 1717520), (12268, 1645000), (13160, 1533500), (14000, 1441490), (15335, 1316000), (16450, 1226800), (17500, 1153192), (18800, 1073450), (20000, 1009043), (21469, 940000), (23500, 858760), (24536, 822500), (26320, 766750), (28000, 720745), (29375, 687008), (30670, 658000), (32900, 613400), (35000, 576596), (37600, 536725), (41125, 490720), (42938, 470000), (47000, 429380), (49072, 411250), (52640, 383375), (58750, 343504), (61340, 329000), (65800, 306700), (70000, 288298), (76675, 263200), (82250, 245360), (85876, 235000), (94000, 214690), (98144, 205625), (107345, 188000), (117500, 171752), (122680, 164500), (131600, 153350), (140000, 144149)]