205181100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:446

約数の個数: 180

約数和(自身を含む): 676170264

約数和(自身を除く): 470989164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 73, 75, 81, 90, 100, 108, 135, 146, 150, 162, 180, 219, 225, 270, 292, 300, 324, 347, 365, 405, 438, 450, 540, 657, 675, 694, 730, 810, 876, 900, 1041, 1095, 1314, 1350, 1388, 1460, 1620, 1735, 1825, 1971, 2025, 2082, 2190, 2628, 2700, 3123, 3285, 3470, 3650, 3942, 4050, 4164, 4380, 5205, 5475, 5913, 6246, 6570, 6940, 7300, 7884, 8100, 8675, 9369, 9855, 10410, 10950, 11826, 12492, 13140, 15615, 16425, 17350, 18738, 19710, 20820, 21900, 23652, 25331, 26025, 28107, 29565, 31230, 32850, 34700, 37476, 39420, 46845, 49275, 50662, 52050, 56214, 59130, 62460, 65700, 75993, 78075, 93690, 98550, 101324, 104100, 112428, 118260, 126655, 140535, 147825, 151986, 156150, 187380, 197100, 227979, 234225, 253310, 281070, 295650, 303972, 312300, 379965, 455958, 468450, 506620, 562140, 591300, 633275, 683937, 702675, 759930, 911916, 936900, 1139895, 1266550, 1367874, 1405350, 1519860, 1899825, 2051811, 2279790, 2533100, 2735748, 2810700, 3419685, 3799650, 4103622, 4559580, 5699475, 6839370, 7599300, 8207244, 10259055, 11398950, 13678740, 17098425, 20518110, 22797900, 34196850, 41036220, 51295275, 68393700, 102590550, 205181100]

約数ペア:

[(1, 205181100), (2, 102590550), (3, 68393700), (4, 51295275), (5, 41036220), (6, 34196850), (9, 22797900), (10, 20518110), (12, 17098425), (15, 13678740), (18, 11398950), (20, 10259055), (25, 8207244), (27, 7599300), (30, 6839370), (36, 5699475), (45, 4559580), (50, 4103622), (54, 3799650), (60, 3419685), (73, 2810700), (75, 2735748), (81, 2533100), (90, 2279790), (100, 2051811), (108, 1899825), (135, 1519860), (146, 1405350), (150, 1367874), (162, 1266550), (180, 1139895), (219, 936900), (225, 911916), (270, 759930), (292, 702675), (300, 683937), (324, 633275), (347, 591300), (365, 562140), (405, 506620), (438, 468450), (450, 455958), (540, 379965), (657, 312300), (675, 303972), (694, 295650), (730, 281070), (810, 253310), (876, 234225), (900, 227979), (1041, 197100), (1095, 187380), (1314, 156150), (1350, 151986), (1388, 147825), (1460, 140535), (1620, 126655), (1735, 118260), (1825, 112428), (1971, 104100), (2025, 101324), (2082, 98550), (2190, 93690), (2628, 78075), (2700, 75993), (3123, 65700), (3285, 62460), (3470, 59130), (3650, 56214), (3942, 52050), (4050, 50662), (4164, 49275), (4380, 46845), (5205, 39420), (5475, 37476), (5913, 34700), (6246, 32850), (6570, 31230), (6940, 29565), (7300, 28107), (7884, 26025), (8100, 25331), (8675, 23652), (9369, 21900), (9855, 20820), (10410, 19710), (10950, 18738), (11826, 17350), (12492, 16425), (13140, 15615)]