420161212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 789626880

約数和(自身を除く): 369465668

約数列:

[1, 2, 4, 19, 38, 76, 101, 127, 202, 254, 404, 431, 508, 862, 1724, 1919, 2413, 3838, 4826, 7676, 8189, 9652, 12827, 16378, 25654, 32756, 43531, 51308, 54737, 87062, 109474, 174124, 218948, 243713, 487426, 827089, 974852, 1040003, 1654178, 2080006, 3308356, 4160012, 5528437, 11056874, 22113748, 105040303, 210080606, 420161212]

約数ペア:

[(1, 420161212), (2, 210080606), (4, 105040303), (19, 22113748), (38, 11056874), (76, 5528437), (101, 4160012), (127, 3308356), (202, 2080006), (254, 1654178), (404, 1040003), (431, 974852), (508, 827089), (862, 487426), (1724, 243713), (1919, 218948), (2413, 174124), (3838, 109474), (4826, 87062), (7676, 54737), (8189, 51308), (9652, 43531), (12827, 32756), (16378, 25654)]