181090000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 200

約数和(自身を含む): 542326400

約数和(自身を除く): 361236400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 125, 130, 140, 175, 182, 199, 200, 208, 250, 260, 280, 325, 350, 364, 398, 400, 455, 500, 520, 560, 625, 650, 700, 728, 796, 875, 910, 995, 1000, 1040, 1250, 1300, 1393, 1400, 1456, 1592, 1625, 1750, 1820, 1990, 2000, 2275, 2500, 2587, 2600, 2786, 2800, 3184, 3250, 3500, 3640, 3980, 4375, 4550, 4975, 5000, 5174, 5200, 5572, 6500, 6965, 7000, 7280, 7960, 8125, 8750, 9100, 9950, 10000, 10348, 11144, 11375, 12935, 13000, 13930, 14000, 15920, 16250, 17500, 18109, 18200, 19900, 20696, 22288, 22750, 24875, 25870, 26000, 27860, 32500, 34825, 35000, 36218, 36400, 39800, 41392, 45500, 49750, 51740, 55720, 56875, 64675, 65000, 69650, 70000, 72436, 79600, 90545, 91000, 99500, 103480, 111440, 113750, 124375, 129350, 130000, 139300, 144872, 174125, 181090, 182000, 199000, 206960, 227500, 248750, 258700, 278600, 289744, 323375, 348250, 362180, 398000, 452725, 455000, 497500, 517400, 557200, 646750, 696500, 724360, 870625, 905450, 910000, 995000, 1034800, 1293500, 1393000, 1448720, 1616875, 1741250, 1810900, 1990000, 2263625, 2587000, 2786000, 3233750, 3482500, 3621800, 4527250, 5174000, 6467500, 6965000, 7243600, 9054500, 11318125, 12935000, 13930000, 18109000, 22636250, 25870000, 36218000, 45272500, 90545000, 181090000]

約数ペア:

[(1, 181090000), (2, 90545000), (4, 45272500), (5, 36218000), (7, 25870000), (8, 22636250), (10, 18109000), (13, 13930000), (14, 12935000), (16, 11318125), (20, 9054500), (25, 7243600), (26, 6965000), (28, 6467500), (35, 5174000), (40, 4527250), (50, 3621800), (52, 3482500), (56, 3233750), (65, 2786000), (70, 2587000), (80, 2263625), (91, 1990000), (100, 1810900), (104, 1741250), (112, 1616875), (125, 1448720), (130, 1393000), (140, 1293500), (175, 1034800), (182, 995000), (199, 910000), (200, 905450), (208, 870625), (250, 724360), (260, 696500), (280, 646750), (325, 557200), (350, 517400), (364, 497500), (398, 455000), (400, 452725), (455, 398000), (500, 362180), (520, 348250), (560, 323375), (625, 289744), (650, 278600), (700, 258700), (728, 248750), (796, 227500), (875, 206960), (910, 199000), (995, 182000), (1000, 181090), (1040, 174125), (1250, 144872), (1300, 139300), (1393, 130000), (1400, 129350), (1456, 124375), (1592, 113750), (1625, 111440), (1750, 103480), (1820, 99500), (1990, 91000), (2000, 90545), (2275, 79600), (2500, 72436), (2587, 70000), (2600, 69650), (2786, 65000), (2800, 64675), (3184, 56875), (3250, 55720), (3500, 51740), (3640, 49750), (3980, 45500), (4375, 41392), (4550, 39800), (4975, 36400), (5000, 36218), (5174, 35000), (5200, 34825), (5572, 32500), (6500, 27860), (6965, 26000), (7000, 25870), (7280, 24875), (7960, 22750), (8125, 22288), (8750, 20696), (9100, 19900), (9950, 18200), (10000, 18109), (10348, 17500), (11144, 16250), (11375, 15920), (12935, 14000), (13000, 13930)]