6720228020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{343219}}^1$

素因数の和:343328

約数の個数: 48

約数和(自身を含む): 15568459200

約数和(自身を除く): 8848231180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 19580, 343219, 686438, 1372876, 1716095, 3432190, 3775409, 6864380, 7550818, 15101636, 18877045, 30546491, 37754090, 61092982, 75508180, 122185964, 152732455, 305464910, 336011401, 610929820, 672022802, 1344045604, 1680057005, 3360114010, 6720228020]

約数ペア:

[(1, 6720228020), (2, 3360114010), (4, 1680057005), (5, 1344045604), (10, 672022802), (11, 610929820), (20, 336011401), (22, 305464910), (44, 152732455), (55, 122185964), (89, 75508180), (110, 61092982), (178, 37754090), (220, 30546491), (356, 18877045), (445, 15101636), (890, 7550818), (979, 6864380), (1780, 3775409), (1958, 3432190), (3916, 1716095), (4895, 1372876), (9790, 686438), (19580, 343219)]