397437040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:760

約数の個数: 240

約数和(自身を含む): 1264606560

約数和(自身を除く): 867169520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 80, 88, 91, 98, 104, 110, 112, 130, 140, 143, 154, 176, 182, 196, 208, 220, 245, 260, 280, 286, 308, 364, 385, 392, 440, 455, 490, 520, 539, 560, 572, 616, 637, 709, 715, 728, 770, 784, 880, 910, 980, 1001, 1040, 1078, 1144, 1232, 1274, 1418, 1430, 1456, 1540, 1820, 1960, 2002, 2156, 2288, 2548, 2695, 2836, 2860, 3080, 3185, 3545, 3640, 3920, 4004, 4312, 4963, 5005, 5096, 5390, 5672, 5720, 6160, 6370, 7007, 7090, 7280, 7799, 8008, 8624, 9217, 9926, 10010, 10192, 10780, 11344, 11440, 12740, 14014, 14180, 15598, 16016, 18434, 19852, 20020, 21560, 24815, 25480, 28028, 28360, 31196, 34741, 35035, 36868, 38995, 39704, 40040, 43120, 46085, 49630, 50960, 54593, 56056, 56720, 62392, 64519, 69482, 70070, 73736, 77990, 79408, 80080, 92170, 99260, 101387, 109186, 112112, 124784, 129038, 138964, 140140, 147472, 155980, 173705, 184340, 198520, 202774, 218372, 258076, 272965, 277928, 280280, 311960, 322595, 347410, 368680, 382151, 397040, 405548, 436744, 451633, 506935, 516152, 545930, 555856, 560560, 623920, 645190, 694820, 709709, 737360, 764302, 811096, 873488, 903266, 1013870, 1032304, 1091860, 1290380, 1389640, 1419418, 1528604, 1622192, 1806532, 1910755, 2027740, 2183720, 2258165, 2580760, 2779280, 2838836, 3057208, 3548545, 3613064, 3821510, 4055480, 4367440, 4516330, 4967963, 5161520, 5677672, 6114416, 7097090, 7226128, 7643020, 8110960, 9032660, 9935926, 11355344, 14194180, 15286040, 18065320, 19871852, 24839815, 28388360, 30572080, 36130640, 39743704, 49679630, 56776720, 79487408, 99359260, 198718520, 397437040]

約数ペア:

[(1, 397437040), (2, 198718520), (4, 99359260), (5, 79487408), (7, 56776720), (8, 49679630), (10, 39743704), (11, 36130640), (13, 30572080), (14, 28388360), (16, 24839815), (20, 19871852), (22, 18065320), (26, 15286040), (28, 14194180), (35, 11355344), (40, 9935926), (44, 9032660), (49, 8110960), (52, 7643020), (55, 7226128), (56, 7097090), (65, 6114416), (70, 5677672), (77, 5161520), (80, 4967963), (88, 4516330), (91, 4367440), (98, 4055480), (104, 3821510), (110, 3613064), (112, 3548545), (130, 3057208), (140, 2838836), (143, 2779280), (154, 2580760), (176, 2258165), (182, 2183720), (196, 2027740), (208, 1910755), (220, 1806532), (245, 1622192), (260, 1528604), (280, 1419418), (286, 1389640), (308, 1290380), (364, 1091860), (385, 1032304), (392, 1013870), (440, 903266), (455, 873488), (490, 811096), (520, 764302), (539, 737360), (560, 709709), (572, 694820), (616, 645190), (637, 623920), (709, 560560), (715, 555856), (728, 545930), (770, 516152), (784, 506935), (880, 451633), (910, 436744), (980, 405548), (1001, 397040), (1040, 382151), (1078, 368680), (1144, 347410), (1232, 322595), (1274, 311960), (1418, 280280), (1430, 277928), (1456, 272965), (1540, 258076), (1820, 218372), (1960, 202774), (2002, 198520), (2156, 184340), (2288, 173705), (2548, 155980), (2695, 147472), (2836, 140140), (2860, 138964), (3080, 129038), (3185, 124784), (3545, 112112), (3640, 109186), (3920, 101387), (4004, 99260), (4312, 92170), (4963, 80080), (5005, 79408), (5096, 77990), (5390, 73736), (5672, 70070), (5720, 69482), (6160, 64519), (6370, 62392), (7007, 56720), (7090, 56056), (7280, 54593), (7799, 50960), (8008, 49630), (8624, 46085), (9217, 43120), (9926, 40040), (10010, 39704), (10192, 38995), (10780, 36868), (11344, 35035), (11440, 34741), (12740, 31196), (14014, 28360), (14180, 28028), (15598, 25480), (16016, 24815), (18434, 21560), (19852, 20020)]