19989368000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18787}}^1$

素因数の和:18840

約数の個数: 224

約数和(自身を含む): 59556456960

約数和(自身を除く): 39567088960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 64, 70, 76, 80, 95, 100, 112, 125, 133, 140, 152, 160, 175, 190, 200, 224, 250, 266, 280, 304, 320, 350, 380, 400, 448, 475, 500, 532, 560, 608, 665, 700, 760, 800, 875, 950, 1000, 1064, 1120, 1216, 1330, 1400, 1520, 1600, 1750, 1900, 2000, 2128, 2240, 2375, 2660, 2800, 3040, 3325, 3500, 3800, 4000, 4256, 4750, 5320, 5600, 6080, 6650, 7000, 7600, 8000, 8512, 9500, 10640, 11200, 13300, 14000, 15200, 16625, 18787, 19000, 21280, 26600, 28000, 30400, 33250, 37574, 38000, 42560, 53200, 56000, 66500, 75148, 76000, 93935, 106400, 131509, 133000, 150296, 152000, 187870, 212800, 263018, 266000, 300592, 356953, 375740, 469675, 526036, 532000, 601184, 657545, 713906, 751480, 939350, 1052072, 1064000, 1202368, 1315090, 1427812, 1502960, 1784765, 1878700, 2104144, 2348375, 2498671, 2630180, 2855624, 3005920, 3287725, 3569530, 3757400, 4208288, 4696750, 4997342, 5260360, 5711248, 6011840, 6575450, 7139060, 7514800, 8416576, 8923825, 9393500, 9994684, 10520720, 11422496, 12493355, 13150900, 14278120, 15029600, 16438625, 17847650, 18787000, 19989368, 21041440, 22844992, 24986710, 26301800, 28556240, 30059200, 32877250, 35695300, 37574000, 39978736, 42082880, 44619125, 49973420, 52603600, 57112480, 62466775, 65754500, 71390600, 75148000, 79957472, 89238250, 99946840, 105207200, 114224960, 124933550, 131509000, 142781200, 150296000, 159914944, 178476500, 199893680, 210414400, 249867100, 263018000, 285562400, 312333875, 356953000, 399787360, 499734200, 526036000, 571124800, 624667750, 713906000, 799574720, 999468400, 1052072000, 1249335500, 1427812000, 1998936800, 2498671000, 2855624000, 3997873600, 4997342000, 9994684000, 19989368000]

約数ペア:

[(1, 19989368000), (2, 9994684000), (4, 4997342000), (5, 3997873600), (7, 2855624000), (8, 2498671000), (10, 1998936800), (14, 1427812000), (16, 1249335500), (19, 1052072000), (20, 999468400), (25, 799574720), (28, 713906000), (32, 624667750), (35, 571124800), (38, 526036000), (40, 499734200), (50, 399787360), (56, 356953000), (64, 312333875), (70, 285562400), (76, 263018000), (80, 249867100), (95, 210414400), (100, 199893680), (112, 178476500), (125, 159914944), (133, 150296000), (140, 142781200), (152, 131509000), (160, 124933550), (175, 114224960), (190, 105207200), (200, 99946840), (224, 89238250), (250, 79957472), (266, 75148000), (280, 71390600), (304, 65754500), (320, 62466775), (350, 57112480), (380, 52603600), (400, 49973420), (448, 44619125), (475, 42082880), (500, 39978736), (532, 37574000), (560, 35695300), (608, 32877250), (665, 30059200), (700, 28556240), (760, 26301800), (800, 24986710), (875, 22844992), (950, 21041440), (1000, 19989368), (1064, 18787000), (1120, 17847650), (1216, 16438625), (1330, 15029600), (1400, 14278120), (1520, 13150900), (1600, 12493355), (1750, 11422496), (1900, 10520720), (2000, 9994684), (2128, 9393500), (2240, 8923825), (2375, 8416576), (2660, 7514800), (2800, 7139060), (3040, 6575450), (3325, 6011840), (3500, 5711248), (3800, 5260360), (4000, 4997342), (4256, 4696750), (4750, 4208288), (5320, 3757400), (5600, 3569530), (6080, 3287725), (6650, 3005920), (7000, 2855624), (7600, 2630180), (8000, 2498671), (8512, 2348375), (9500, 2104144), (10640, 1878700), (11200, 1784765), (13300, 1502960), (14000, 1427812), (15200, 1315090), (16625, 1202368), (18787, 1064000), (19000, 1052072), (21280, 939350), (26600, 751480), (28000, 713906), (30400, 657545), (33250, 601184), (37574, 532000), (38000, 526036), (42560, 469675), (53200, 375740), (56000, 356953), (66500, 300592), (75148, 266000), (76000, 263018), (93935, 212800), (106400, 187870), (131509, 152000), (133000, 150296)]