2017676920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{199}}^1\times {\mathrm{739}}^1$

素因数の和:970

約数の個数: 128

約数和(自身を含む): 5328000000

約数和(自身を除く): 3310323080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 199, 245, 280, 343, 392, 398, 490, 686, 739, 796, 980, 995, 1372, 1393, 1478, 1592, 1715, 1960, 1990, 2744, 2786, 2956, 3430, 3695, 3980, 5173, 5572, 5912, 6860, 6965, 7390, 7960, 9751, 10346, 11144, 13720, 13930, 14780, 19502, 20692, 25865, 27860, 29560, 36211, 39004, 41384, 48755, 51730, 55720, 68257, 72422, 78008, 97510, 103460, 136514, 144844, 147061, 181055, 195020, 206920, 253477, 273028, 289688, 294122, 341285, 362110, 390040, 506954, 546056, 588244, 682570, 724220, 735305, 1013908, 1029427, 1176488, 1267385, 1365140, 1448440, 1470610, 2027816, 2058854, 2534770, 2730280, 2941220, 4117708, 5069540, 5147135, 5882440, 7205989, 8235416, 10139080, 10294270, 14411978, 20588540, 28823956, 36029945, 41177080, 50441923, 57647912, 72059890, 100883846, 144119780, 201767692, 252209615, 288239560, 403535384, 504419230, 1008838460, 2017676920]

約数ペア:

[(1, 2017676920), (2, 1008838460), (4, 504419230), (5, 403535384), (7, 288239560), (8, 252209615), (10, 201767692), (14, 144119780), (20, 100883846), (28, 72059890), (35, 57647912), (40, 50441923), (49, 41177080), (56, 36029945), (70, 28823956), (98, 20588540), (140, 14411978), (196, 10294270), (199, 10139080), (245, 8235416), (280, 7205989), (343, 5882440), (392, 5147135), (398, 5069540), (490, 4117708), (686, 2941220), (739, 2730280), (796, 2534770), (980, 2058854), (995, 2027816), (1372, 1470610), (1393, 1448440), (1478, 1365140), (1592, 1267385), (1715, 1176488), (1960, 1029427), (1990, 1013908), (2744, 735305), (2786, 724220), (2956, 682570), (3430, 588244), (3695, 546056), (3980, 506954), (5173, 390040), (5572, 362110), (5912, 341285), (6860, 294122), (6965, 289688), (7390, 273028), (7960, 253477), (9751, 206920), (10346, 195020), (11144, 181055), (13720, 147061), (13930, 144844), (14780, 136514), (19502, 103460), (20692, 97510), (25865, 78008), (27860, 72422), (29560, 68257), (36211, 55720), (39004, 51730), (41384, 48755)]