397754280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4783}}^1$

素因数の和:4821

約数の個数: 256

約数和(自身を含む): 1653350400

約数和(自身を除く): 1255596120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1980, 2079, 2310, 2376, 2520, 2772, 2970, 3080, 3465, 3780, 3960, 4158, 4620, 4783, 5544, 5940, 6930, 7560, 8316, 9240, 9566, 10395, 11880, 13860, 14349, 16632, 19132, 20790, 23915, 27720, 28698, 33481, 38264, 41580, 43047, 47830, 52613, 57396, 66962, 71745, 83160, 86094, 95660, 100443, 105226, 114792, 129141, 133924, 143490, 157839, 167405, 172188, 191320, 200886, 210452, 215235, 258282, 263065, 267848, 286980, 301329, 315678, 334810, 344376, 368291, 401772, 420904, 430470, 473517, 502215, 516564, 526130, 573960, 602658, 631356, 645705, 669620, 736582, 789195, 803544, 860940, 903987, 947034, 1004430, 1033128, 1052260, 1104873, 1205316, 1262712, 1291410, 1339240, 1420551, 1473164, 1506645, 1578390, 1721880, 1807974, 1841455, 1894068, 2008860, 2104520, 2209746, 2367585, 2410632, 2582820, 2841102, 2946328, 3013290, 3156780, 3314619, 3615948, 3682910, 3788136, 4017720, 4419492, 4519935, 4735170, 5165640, 5524365, 5682204, 6026580, 6313560, 6629238, 7102755, 7231896, 7365820, 8838984, 9039870, 9470340, 9943857, 11048730, 11364408, 12053160, 13258476, 14205510, 14731640, 16573095, 18079740, 18940680, 19887714, 22097460, 26516952, 28411020, 33146190, 36159480, 39775428, 44194920, 49719285, 56822040, 66292380, 79550856, 99438570, 132584760, 198877140, 397754280]

約数ペア:

[(1, 397754280), (2, 198877140), (3, 132584760), (4, 99438570), (5, 79550856), (6, 66292380), (7, 56822040), (8, 49719285), (9, 44194920), (10, 39775428), (11, 36159480), (12, 33146190), (14, 28411020), (15, 26516952), (18, 22097460), (20, 19887714), (21, 18940680), (22, 18079740), (24, 16573095), (27, 14731640), (28, 14205510), (30, 13258476), (33, 12053160), (35, 11364408), (36, 11048730), (40, 9943857), (42, 9470340), (44, 9039870), (45, 8838984), (54, 7365820), (55, 7231896), (56, 7102755), (60, 6629238), (63, 6313560), (66, 6026580), (70, 5682204), (72, 5524365), (77, 5165640), (84, 4735170), (88, 4519935), (90, 4419492), (99, 4017720), (105, 3788136), (108, 3682910), (110, 3615948), (120, 3314619), (126, 3156780), (132, 3013290), (135, 2946328), (140, 2841102), (154, 2582820), (165, 2410632), (168, 2367585), (180, 2209746), (189, 2104520), (198, 2008860), (210, 1894068), (216, 1841455), (220, 1807974), (231, 1721880), (252, 1578390), (264, 1506645), (270, 1473164), (280, 1420551), (297, 1339240), (308, 1291410), (315, 1262712), (330, 1205316), (360, 1104873), (378, 1052260), (385, 1033128), (396, 1004430), (420, 947034), (440, 903987), (462, 860940), (495, 803544), (504, 789195), (540, 736582), (594, 669620), (616, 645705), (630, 631356), (660, 602658), (693, 573960), (756, 526130), (770, 516564), (792, 502215), (840, 473517), (924, 430470), (945, 420904), (990, 401772), (1080, 368291), (1155, 344376), (1188, 334810), (1260, 315678), (1320, 301329), (1386, 286980), (1485, 267848), (1512, 263065), (1540, 258282), (1848, 215235), (1890, 210452), (1980, 200886), (2079, 191320), (2310, 172188), (2376, 167405), (2520, 157839), (2772, 143490), (2970, 133924), (3080, 129141), (3465, 114792), (3780, 105226), (3960, 100443), (4158, 95660), (4620, 86094), (4783, 83160), (5544, 71745), (5940, 66962), (6930, 57396), (7560, 52613), (8316, 47830), (9240, 43047), (9566, 41580), (10395, 38264), (11880, 33481), (13860, 28698), (14349, 27720), (16632, 23915), (19132, 20790)]