81851000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1063}}^1$

素因数の和:1102

約数の個数: 128

約数和(自身を含む): 239016960

約数和(自身を除く): 157165960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 125, 140, 154, 175, 200, 220, 250, 275, 280, 308, 350, 385, 440, 500, 550, 616, 700, 770, 875, 1000, 1063, 1100, 1375, 1400, 1540, 1750, 1925, 2126, 2200, 2750, 3080, 3500, 3850, 4252, 5315, 5500, 7000, 7441, 7700, 8504, 9625, 10630, 11000, 11693, 14882, 15400, 19250, 21260, 23386, 26575, 29764, 37205, 38500, 42520, 46772, 53150, 58465, 59528, 74410, 77000, 81851, 93544, 106300, 116930, 132875, 148820, 163702, 186025, 212600, 233860, 265750, 292325, 297640, 327404, 372050, 409255, 467720, 531500, 584650, 654808, 744100, 818510, 930125, 1063000, 1169300, 1461625, 1488200, 1637020, 1860250, 2046275, 2338600, 2923250, 3274040, 3720500, 4092550, 5846500, 7441000, 8185100, 10231375, 11693000, 16370200, 20462750, 40925500, 81851000]

約数ペア:

[(1, 81851000), (2, 40925500), (4, 20462750), (5, 16370200), (7, 11693000), (8, 10231375), (10, 8185100), (11, 7441000), (14, 5846500), (20, 4092550), (22, 3720500), (25, 3274040), (28, 2923250), (35, 2338600), (40, 2046275), (44, 1860250), (50, 1637020), (55, 1488200), (56, 1461625), (70, 1169300), (77, 1063000), (88, 930125), (100, 818510), (110, 744100), (125, 654808), (140, 584650), (154, 531500), (175, 467720), (200, 409255), (220, 372050), (250, 327404), (275, 297640), (280, 292325), (308, 265750), (350, 233860), (385, 212600), (440, 186025), (500, 163702), (550, 148820), (616, 132875), (700, 116930), (770, 106300), (875, 93544), (1000, 81851), (1063, 77000), (1100, 74410), (1375, 59528), (1400, 58465), (1540, 53150), (1750, 46772), (1925, 42520), (2126, 38500), (2200, 37205), (2750, 29764), (3080, 26575), (3500, 23386), (3850, 21260), (4252, 19250), (5315, 15400), (5500, 14882), (7000, 11693), (7441, 11000), (7700, 10630), (8504, 9625)]