208805800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 593712000

約数和(自身を除く): 384906200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 37, 40, 50, 56, 58, 70, 74, 100, 116, 139, 140, 145, 148, 175, 185, 200, 203, 232, 259, 278, 280, 290, 296, 350, 370, 406, 518, 556, 580, 695, 700, 725, 740, 812, 925, 973, 1015, 1036, 1073, 1112, 1160, 1295, 1390, 1400, 1450, 1480, 1624, 1850, 1946, 2030, 2072, 2146, 2590, 2780, 2900, 3475, 3700, 3892, 4031, 4060, 4292, 4865, 5075, 5143, 5180, 5365, 5560, 5800, 6475, 6950, 7400, 7511, 7784, 8062, 8120, 8584, 9730, 10150, 10286, 10360, 10730, 12950, 13900, 15022, 16124, 19460, 20155, 20300, 20572, 21460, 24325, 25715, 25900, 26825, 27800, 28217, 30044, 32248, 36001, 37555, 38920, 40310, 40600, 41144, 42920, 48650, 51430, 51800, 53650, 56434, 60088, 72002, 75110, 80620, 97300, 100775, 102860, 107300, 112868, 128575, 141085, 144004, 149147, 150220, 161240, 180005, 187775, 194600, 201550, 205720, 214600, 225736, 257150, 282170, 288008, 298294, 300440, 360010, 375550, 403100, 514300, 564340, 596588, 705425, 720020, 745735, 751100, 806200, 900025, 1028600, 1044029, 1128680, 1193176, 1410850, 1440040, 1491470, 1502200, 1800050, 2088058, 2821700, 2982940, 3600100, 3728675, 4176116, 5220145, 5643400, 5965880, 7200200, 7457350, 8352232, 10440290, 14914700, 20880580, 26100725, 29829400, 41761160, 52201450, 104402900, 208805800]

約数ペア:

[(1, 208805800), (2, 104402900), (4, 52201450), (5, 41761160), (7, 29829400), (8, 26100725), (10, 20880580), (14, 14914700), (20, 10440290), (25, 8352232), (28, 7457350), (29, 7200200), (35, 5965880), (37, 5643400), (40, 5220145), (50, 4176116), (56, 3728675), (58, 3600100), (70, 2982940), (74, 2821700), (100, 2088058), (116, 1800050), (139, 1502200), (140, 1491470), (145, 1440040), (148, 1410850), (175, 1193176), (185, 1128680), (200, 1044029), (203, 1028600), (232, 900025), (259, 806200), (278, 751100), (280, 745735), (290, 720020), (296, 705425), (350, 596588), (370, 564340), (406, 514300), (518, 403100), (556, 375550), (580, 360010), (695, 300440), (700, 298294), (725, 288008), (740, 282170), (812, 257150), (925, 225736), (973, 214600), (1015, 205720), (1036, 201550), (1073, 194600), (1112, 187775), (1160, 180005), (1295, 161240), (1390, 150220), (1400, 149147), (1450, 144004), (1480, 141085), (1624, 128575), (1850, 112868), (1946, 107300), (2030, 102860), (2072, 100775), (2146, 97300), (2590, 80620), (2780, 75110), (2900, 72002), (3475, 60088), (3700, 56434), (3892, 53650), (4031, 51800), (4060, 51430), (4292, 48650), (4865, 42920), (5075, 41144), (5143, 40600), (5180, 40310), (5365, 38920), (5560, 37555), (5800, 36001), (6475, 32248), (6950, 30044), (7400, 28217), (7511, 27800), (7784, 26825), (8062, 25900), (8120, 25715), (8584, 24325), (9730, 21460), (10150, 20572), (10286, 20300), (10360, 20155), (10730, 19460), (12950, 16124), (13900, 15022)]