1991830800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:678

約数の個数: 240

約数和(自身を含む): 6765440000

約数和(自身を除く): 4773609200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 150, 152, 190, 199, 200, 228, 240, 285, 300, 304, 380, 398, 400, 439, 456, 475, 570, 597, 600, 760, 796, 878, 912, 950, 995, 1140, 1194, 1200, 1317, 1425, 1520, 1592, 1756, 1900, 1990, 2195, 2280, 2388, 2634, 2850, 2985, 3184, 3512, 3781, 3800, 3980, 4390, 4560, 4776, 4975, 5268, 5700, 5970, 6585, 7024, 7562, 7600, 7960, 8341, 8780, 9552, 9950, 10536, 10975, 11343, 11400, 11940, 13170, 14925, 15124, 15920, 16682, 17560, 18905, 19900, 21072, 21950, 22686, 22800, 23880, 25023, 26340, 29850, 30248, 32925, 33364, 35120, 37810, 39800, 41705, 43900, 45372, 47760, 50046, 52680, 56715, 59700, 60496, 65850, 66728, 75620, 79600, 83410, 87361, 87800, 90744, 94525, 100092, 105360, 113430, 119400, 125115, 131700, 133456, 151240, 166820, 174722, 175600, 181488, 189050, 200184, 208525, 226860, 238800, 250230, 262083, 263400, 283575, 302480, 333640, 349444, 378100, 400368, 417050, 436805, 453720, 500460, 524166, 526800, 567150, 625575, 667280, 698888, 756200, 834100, 873610, 907440, 1000920, 1048332, 1134300, 1251150, 1310415, 1397776, 1512400, 1659859, 1668200, 1747220, 2001840, 2096664, 2184025, 2268600, 2502300, 2620830, 3319718, 3336400, 3494440, 4193328, 4368050, 4537200, 4979577, 5004600, 5241660, 6552075, 6639436, 6988880, 8299295, 8736100, 9959154, 10009200, 10483320, 13104150, 13278872, 16598590, 17472200, 19918308, 20966640, 24897885, 26208300, 26557744, 33197180, 34944400, 39836616, 41496475, 49795770, 52416600, 66394360, 79673232, 82992950, 99591540, 104833200, 124489425, 132788720, 165985900, 199183080, 248978850, 331971800, 398366160, 497957700, 663943600, 995915400, 1991830800]

約数ペア:

[(1, 1991830800), (2, 995915400), (3, 663943600), (4, 497957700), (5, 398366160), (6, 331971800), (8, 248978850), (10, 199183080), (12, 165985900), (15, 132788720), (16, 124489425), (19, 104833200), (20, 99591540), (24, 82992950), (25, 79673232), (30, 66394360), (38, 52416600), (40, 49795770), (48, 41496475), (50, 39836616), (57, 34944400), (60, 33197180), (75, 26557744), (76, 26208300), (80, 24897885), (95, 20966640), (100, 19918308), (114, 17472200), (120, 16598590), (150, 13278872), (152, 13104150), (190, 10483320), (199, 10009200), (200, 9959154), (228, 8736100), (240, 8299295), (285, 6988880), (300, 6639436), (304, 6552075), (380, 5241660), (398, 5004600), (400, 4979577), (439, 4537200), (456, 4368050), (475, 4193328), (570, 3494440), (597, 3336400), (600, 3319718), (760, 2620830), (796, 2502300), (878, 2268600), (912, 2184025), (950, 2096664), (995, 2001840), (1140, 1747220), (1194, 1668200), (1200, 1659859), (1317, 1512400), (1425, 1397776), (1520, 1310415), (1592, 1251150), (1756, 1134300), (1900, 1048332), (1990, 1000920), (2195, 907440), (2280, 873610), (2388, 834100), (2634, 756200), (2850, 698888), (2985, 667280), (3184, 625575), (3512, 567150), (3781, 526800), (3800, 524166), (3980, 500460), (4390, 453720), (4560, 436805), (4776, 417050), (4975, 400368), (5268, 378100), (5700, 349444), (5970, 333640), (6585, 302480), (7024, 283575), (7562, 263400), (7600, 262083), (7960, 250230), (8341, 238800), (8780, 226860), (9552, 208525), (9950, 200184), (10536, 189050), (10975, 181488), (11343, 175600), (11400, 174722), (11940, 166820), (13170, 151240), (14925, 133456), (15124, 131700), (15920, 125115), (16682, 119400), (17560, 113430), (18905, 105360), (19900, 100092), (21072, 94525), (21950, 90744), (22686, 87800), (22800, 87361), (23880, 83410), (25023, 79600), (26340, 75620), (29850, 66728), (30248, 65850), (32925, 60496), (33364, 59700), (35120, 56715), (37810, 52680), (39800, 50046), (41705, 47760), (43900, 45372)]