161210000

素因数分解:

$2^4\times 5^4\times 7^3\times {\mathrm{47}}^1$

素因数の和:96

約数の個数: 200

約数和(自身を含む): 464851200

約数和(自身を除く): 303641200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 47, 49, 50, 56, 70, 80, 94, 98, 100, 112, 125, 140, 175, 188, 196, 200, 235, 245, 250, 280, 329, 343, 350, 376, 392, 400, 470, 490, 500, 560, 625, 658, 686, 700, 752, 784, 875, 940, 980, 1000, 1175, 1225, 1250, 1316, 1372, 1400, 1645, 1715, 1750, 1880, 1960, 2000, 2303, 2350, 2450, 2500, 2632, 2744, 2800, 3290, 3430, 3500, 3760, 3920, 4375, 4606, 4700, 4900, 5000, 5264, 5488, 5875, 6125, 6580, 6860, 7000, 8225, 8575, 8750, 9212, 9400, 9800, 10000, 11515, 11750, 12250, 13160, 13720, 14000, 16121, 16450, 17150, 17500, 18424, 18800, 19600, 23030, 23500, 24500, 26320, 27440, 29375, 30625, 32242, 32900, 34300, 35000, 36848, 41125, 42875, 46060, 47000, 49000, 57575, 58750, 61250, 64484, 65800, 68600, 70000, 80605, 82250, 85750, 92120, 94000, 98000, 115150, 117500, 122500, 128968, 131600, 137200, 161210, 164500, 171500, 184240, 205625, 214375, 230300, 235000, 245000, 257936, 287875, 322420, 329000, 343000, 403025, 411250, 428750, 460600, 470000, 490000, 575750, 644840, 658000, 686000, 806050, 822500, 857500, 921200, 1151500, 1289680, 1439375, 1612100, 1645000, 1715000, 2015125, 2303000, 2878750, 3224200, 3290000, 3430000, 4030250, 4606000, 5757500, 6448400, 8060500, 10075625, 11515000, 16121000, 20151250, 23030000, 32242000, 40302500, 80605000, 161210000]

約数ペア:

[(1, 161210000), (2, 80605000), (4, 40302500), (5, 32242000), (7, 23030000), (8, 20151250), (10, 16121000), (14, 11515000), (16, 10075625), (20, 8060500), (25, 6448400), (28, 5757500), (35, 4606000), (40, 4030250), (47, 3430000), (49, 3290000), (50, 3224200), (56, 2878750), (70, 2303000), (80, 2015125), (94, 1715000), (98, 1645000), (100, 1612100), (112, 1439375), (125, 1289680), (140, 1151500), (175, 921200), (188, 857500), (196, 822500), (200, 806050), (235, 686000), (245, 658000), (250, 644840), (280, 575750), (329, 490000), (343, 470000), (350, 460600), (376, 428750), (392, 411250), (400, 403025), (470, 343000), (490, 329000), (500, 322420), (560, 287875), (625, 257936), (658, 245000), (686, 235000), (700, 230300), (752, 214375), (784, 205625), (875, 184240), (940, 171500), (980, 164500), (1000, 161210), (1175, 137200), (1225, 131600), (1250, 128968), (1316, 122500), (1372, 117500), (1400, 115150), (1645, 98000), (1715, 94000), (1750, 92120), (1880, 85750), (1960, 82250), (2000, 80605), (2303, 70000), (2350, 68600), (2450, 65800), (2500, 64484), (2632, 61250), (2744, 58750), (2800, 57575), (3290, 49000), (3430, 47000), (3500, 46060), (3760, 42875), (3920, 41125), (4375, 36848), (4606, 35000), (4700, 34300), (4900, 32900), (5000, 32242), (5264, 30625), (5488, 29375), (5875, 27440), (6125, 26320), (6580, 24500), (6860, 23500), (7000, 23030), (8225, 19600), (8575, 18800), (8750, 18424), (9212, 17500), (9400, 17150), (9800, 16450), (10000, 16121), (11515, 14000), (11750, 13720), (12250, 13160)]