248518400

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 216

約数和(自身を含む): 691934880

約数和(自身を除く): 443416480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 32, 40, 50, 52, 58, 64, 65, 80, 100, 103, 104, 116, 128, 130, 145, 160, 200, 206, 208, 232, 256, 260, 290, 320, 325, 377, 400, 412, 416, 464, 515, 520, 580, 640, 650, 725, 754, 800, 824, 832, 928, 1030, 1040, 1160, 1280, 1300, 1339, 1450, 1508, 1600, 1648, 1664, 1856, 1885, 2060, 2080, 2320, 2575, 2600, 2678, 2900, 2987, 3016, 3200, 3296, 3328, 3712, 3770, 4120, 4160, 4640, 5150, 5200, 5356, 5800, 5974, 6032, 6400, 6592, 6695, 7424, 7540, 8240, 8320, 9280, 9425, 10300, 10400, 10712, 11600, 11948, 12064, 13184, 13390, 14935, 15080, 16480, 16640, 18560, 18850, 20600, 20800, 21424, 23200, 23896, 24128, 26368, 26780, 29870, 30160, 32960, 33475, 37120, 37700, 38831, 41200, 41600, 42848, 46400, 47792, 48256, 53560, 59740, 60320, 65920, 66950, 74675, 75400, 77662, 82400, 83200, 85696, 92800, 95584, 96512, 107120, 119480, 120640, 131840, 133900, 149350, 150800, 155324, 164800, 171392, 185600, 191168, 194155, 214240, 238960, 241280, 267800, 298700, 301600, 310648, 329600, 342784, 382336, 388310, 428480, 477920, 482560, 535600, 597400, 603200, 621296, 659200, 764672, 776620, 856960, 955840, 970775, 1071200, 1194800, 1206400, 1242592, 1553240, 1713920, 1911680, 1941550, 2142400, 2389600, 2412800, 2485184, 3106480, 3823360, 3883100, 4284800, 4779200, 4970368, 6212960, 7766200, 8569600, 9558400, 9940736, 12425920, 15532400, 19116800, 24851840, 31064800, 49703680, 62129600, 124259200, 248518400]

約数ペア:

[(1, 248518400), (2, 124259200), (4, 62129600), (5, 49703680), (8, 31064800), (10, 24851840), (13, 19116800), (16, 15532400), (20, 12425920), (25, 9940736), (26, 9558400), (29, 8569600), (32, 7766200), (40, 6212960), (50, 4970368), (52, 4779200), (58, 4284800), (64, 3883100), (65, 3823360), (80, 3106480), (100, 2485184), (103, 2412800), (104, 2389600), (116, 2142400), (128, 1941550), (130, 1911680), (145, 1713920), (160, 1553240), (200, 1242592), (206, 1206400), (208, 1194800), (232, 1071200), (256, 970775), (260, 955840), (290, 856960), (320, 776620), (325, 764672), (377, 659200), (400, 621296), (412, 603200), (416, 597400), (464, 535600), (515, 482560), (520, 477920), (580, 428480), (640, 388310), (650, 382336), (725, 342784), (754, 329600), (800, 310648), (824, 301600), (832, 298700), (928, 267800), (1030, 241280), (1040, 238960), (1160, 214240), (1280, 194155), (1300, 191168), (1339, 185600), (1450, 171392), (1508, 164800), (1600, 155324), (1648, 150800), (1664, 149350), (1856, 133900), (1885, 131840), (2060, 120640), (2080, 119480), (2320, 107120), (2575, 96512), (2600, 95584), (2678, 92800), (2900, 85696), (2987, 83200), (3016, 82400), (3200, 77662), (3296, 75400), (3328, 74675), (3712, 66950), (3770, 65920), (4120, 60320), (4160, 59740), (4640, 53560), (5150, 48256), (5200, 47792), (5356, 46400), (5800, 42848), (5974, 41600), (6032, 41200), (6400, 38831), (6592, 37700), (6695, 37120), (7424, 33475), (7540, 32960), (8240, 30160), (8320, 29870), (9280, 26780), (9425, 26368), (10300, 24128), (10400, 23896), (10712, 23200), (11600, 21424), (11948, 20800), (12064, 20600), (13184, 18850), (13390, 18560), (14935, 16640), (15080, 16480)]