169366900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 381147480

約数和(自身を除く): 211780580

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 101, 164, 202, 205, 404, 409, 410, 505, 818, 820, 1010, 1025, 1636, 2020, 2045, 2050, 2525, 4090, 4100, 4141, 5050, 8180, 8282, 10100, 10225, 16564, 16769, 20450, 20705, 33538, 40900, 41309, 41410, 67076, 82618, 82820, 83845, 103525, 165236, 167690, 206545, 207050, 335380, 413090, 414100, 419225, 826180, 838450, 1032725, 1676900, 1693669, 2065450, 3387338, 4130900, 6774676, 8468345, 16936690, 33873380, 42341725, 84683450, 169366900]

約数ペア:

[(1, 169366900), (2, 84683450), (4, 42341725), (5, 33873380), (10, 16936690), (20, 8468345), (25, 6774676), (41, 4130900), (50, 3387338), (82, 2065450), (100, 1693669), (101, 1676900), (164, 1032725), (202, 838450), (205, 826180), (404, 419225), (409, 414100), (410, 413090), (505, 335380), (818, 207050), (820, 206545), (1010, 167690), (1025, 165236), (1636, 103525), (2020, 83845), (2045, 82820), (2050, 82618), (2525, 67076), (4090, 41410), (4100, 41309), (4141, 40900), (5050, 33538), (8180, 20705), (8282, 20450), (10100, 16769), (10225, 16564)]