257936000

素因数分解:

$2^7\times 5^3\times 7^3\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 256

約数和(自身を含む): 763776000

約数和(自身を除く): 505840000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 47, 49, 50, 56, 64, 70, 80, 94, 98, 100, 112, 125, 128, 140, 160, 175, 188, 196, 200, 224, 235, 245, 250, 280, 320, 329, 343, 350, 376, 392, 400, 448, 470, 490, 500, 560, 640, 658, 686, 700, 752, 784, 800, 875, 896, 940, 980, 1000, 1120, 1175, 1225, 1316, 1372, 1400, 1504, 1568, 1600, 1645, 1715, 1750, 1880, 1960, 2000, 2240, 2303, 2350, 2450, 2632, 2744, 2800, 3008, 3136, 3200, 3290, 3430, 3500, 3760, 3920, 4000, 4480, 4606, 4700, 4900, 5264, 5488, 5600, 5875, 6016, 6125, 6272, 6580, 6860, 7000, 7520, 7840, 8000, 8225, 8575, 9212, 9400, 9800, 10528, 10976, 11200, 11515, 11750, 12250, 13160, 13720, 14000, 15040, 15680, 16000, 16121, 16450, 17150, 18424, 18800, 19600, 21056, 21952, 22400, 23030, 23500, 24500, 26320, 27440, 28000, 30080, 31360, 32242, 32900, 34300, 36848, 37600, 39200, 41125, 42112, 42875, 43904, 46060, 47000, 49000, 52640, 54880, 56000, 57575, 64484, 65800, 68600, 73696, 75200, 78400, 80605, 82250, 85750, 92120, 94000, 98000, 105280, 109760, 112000, 115150, 128968, 131600, 137200, 147392, 150400, 156800, 161210, 164500, 171500, 184240, 188000, 196000, 210560, 219520, 230300, 257936, 263200, 274400, 287875, 294784, 322420, 329000, 343000, 368480, 376000, 392000, 403025, 460600, 515872, 526400, 548800, 575750, 644840, 658000, 686000, 736960, 752000, 784000, 806050, 921200, 1031744, 1052800, 1097600, 1151500, 1289680, 1316000, 1372000, 1473920, 1612100, 1842400, 2015125, 2063488, 2303000, 2579360, 2632000, 2744000, 3224200, 3684800, 4030250, 4606000, 5158720, 5264000, 5488000, 6448400, 7369600, 8060500, 9212000, 10317440, 12896800, 16121000, 18424000, 25793600, 32242000, 36848000, 51587200, 64484000, 128968000, 257936000]

約数ペア:

[(1, 257936000), (2, 128968000), (4, 64484000), (5, 51587200), (7, 36848000), (8, 32242000), (10, 25793600), (14, 18424000), (16, 16121000), (20, 12896800), (25, 10317440), (28, 9212000), (32, 8060500), (35, 7369600), (40, 6448400), (47, 5488000), (49, 5264000), (50, 5158720), (56, 4606000), (64, 4030250), (70, 3684800), (80, 3224200), (94, 2744000), (98, 2632000), (100, 2579360), (112, 2303000), (125, 2063488), (128, 2015125), (140, 1842400), (160, 1612100), (175, 1473920), (188, 1372000), (196, 1316000), (200, 1289680), (224, 1151500), (235, 1097600), (245, 1052800), (250, 1031744), (280, 921200), (320, 806050), (329, 784000), (343, 752000), (350, 736960), (376, 686000), (392, 658000), (400, 644840), (448, 575750), (470, 548800), (490, 526400), (500, 515872), (560, 460600), (640, 403025), (658, 392000), (686, 376000), (700, 368480), (752, 343000), (784, 329000), (800, 322420), (875, 294784), (896, 287875), (940, 274400), (980, 263200), (1000, 257936), (1120, 230300), (1175, 219520), (1225, 210560), (1316, 196000), (1372, 188000), (1400, 184240), (1504, 171500), (1568, 164500), (1600, 161210), (1645, 156800), (1715, 150400), (1750, 147392), (1880, 137200), (1960, 131600), (2000, 128968), (2240, 115150), (2303, 112000), (2350, 109760), (2450, 105280), (2632, 98000), (2744, 94000), (2800, 92120), (3008, 85750), (3136, 82250), (3200, 80605), (3290, 78400), (3430, 75200), (3500, 73696), (3760, 68600), (3920, 65800), (4000, 64484), (4480, 57575), (4606, 56000), (4700, 54880), (4900, 52640), (5264, 49000), (5488, 47000), (5600, 46060), (5875, 43904), (6016, 42875), (6125, 42112), (6272, 41125), (6580, 39200), (6860, 37600), (7000, 36848), (7520, 34300), (7840, 32900), (8000, 32242), (8225, 31360), (8575, 30080), (9212, 28000), (9400, 27440), (9800, 26320), (10528, 24500), (10976, 23500), (11200, 23030), (11515, 22400), (11750, 21952), (12250, 21056), (13160, 19600), (13720, 18800), (14000, 18424), (15040, 17150), (15680, 16450), (16000, 16121)]