210455000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{859}}^1$

素因数の和:899

約数の個数: 120

約数和(自身を含む): 574269300

約数和(自身を除く): 363814300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 490, 500, 625, 700, 859, 875, 980, 1000, 1225, 1250, 1400, 1718, 1750, 1960, 2450, 2500, 3436, 3500, 4295, 4375, 4900, 5000, 6013, 6125, 6872, 7000, 8590, 8750, 9800, 12026, 12250, 17180, 17500, 21475, 24052, 24500, 30065, 30625, 34360, 35000, 42091, 42950, 48104, 49000, 60130, 61250, 84182, 85900, 107375, 120260, 122500, 150325, 168364, 171800, 210455, 214750, 240520, 245000, 300650, 336728, 420910, 429500, 536875, 601300, 751625, 841820, 859000, 1052275, 1073750, 1202600, 1503250, 1683640, 2104550, 2147500, 3006500, 3758125, 4209100, 4295000, 5261375, 6013000, 7516250, 8418200, 10522750, 15032500, 21045500, 26306875, 30065000, 42091000, 52613750, 105227500, 210455000]

約数ペア:

[(1, 210455000), (2, 105227500), (4, 52613750), (5, 42091000), (7, 30065000), (8, 26306875), (10, 21045500), (14, 15032500), (20, 10522750), (25, 8418200), (28, 7516250), (35, 6013000), (40, 5261375), (49, 4295000), (50, 4209100), (56, 3758125), (70, 3006500), (98, 2147500), (100, 2104550), (125, 1683640), (140, 1503250), (175, 1202600), (196, 1073750), (200, 1052275), (245, 859000), (250, 841820), (280, 751625), (350, 601300), (392, 536875), (490, 429500), (500, 420910), (625, 336728), (700, 300650), (859, 245000), (875, 240520), (980, 214750), (1000, 210455), (1225, 171800), (1250, 168364), (1400, 150325), (1718, 122500), (1750, 120260), (1960, 107375), (2450, 85900), (2500, 84182), (3436, 61250), (3500, 60130), (4295, 49000), (4375, 48104), (4900, 42950), (5000, 42091), (6013, 35000), (6125, 34360), (6872, 30625), (7000, 30065), (8590, 24500), (8750, 24052), (9800, 21475), (12026, 17500), (12250, 17180)]