204119972

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2699}}^1$

素因数の和:2820

約数の個数: 48

約数和(自身を含む): 425174400

約数和(自身を除く): 221054428

約数列:

[1, 2, 4, 7, 14, 28, 37, 73, 74, 146, 148, 259, 292, 511, 518, 1022, 1036, 2044, 2699, 2701, 5398, 5402, 10796, 10804, 18893, 18907, 37786, 37814, 75572, 75628, 99863, 197027, 199726, 394054, 399452, 699041, 788108, 1379189, 1398082, 2758378, 2796164, 5516756, 7289999, 14579998, 29159996, 51029993, 102059986, 204119972]

約数ペア:

[(1, 204119972), (2, 102059986), (4, 51029993), (7, 29159996), (14, 14579998), (28, 7289999), (37, 5516756), (73, 2796164), (74, 2758378), (146, 1398082), (148, 1379189), (259, 788108), (292, 699041), (511, 399452), (518, 394054), (1022, 199726), (1036, 197027), (2044, 99863), (2699, 75628), (2701, 75572), (5398, 37814), (5402, 37786), (10796, 18907), (10804, 18893)]