204949780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63649}}^1$

素因数の和:63688

約数の個数: 48

約数和(自身を含む): 513273600

約数和(自身を除く): 308323820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 63649, 127298, 254596, 318245, 445543, 636490, 891086, 1272980, 1463927, 1782172, 2227715, 2927854, 4455430, 5855708, 7319635, 8910860, 10247489, 14639270, 20494978, 29278540, 40989956, 51237445, 102474890, 204949780]

約数ペア:

[(1, 204949780), (2, 102474890), (4, 51237445), (5, 40989956), (7, 29278540), (10, 20494978), (14, 14639270), (20, 10247489), (23, 8910860), (28, 7319635), (35, 5855708), (46, 4455430), (70, 2927854), (92, 2227715), (115, 1782172), (140, 1463927), (161, 1272980), (230, 891086), (322, 636490), (460, 445543), (644, 318245), (805, 254596), (1610, 127298), (3220, 63649)]