2149440020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{90847}}^1$

素因数の和:90889

約数の個数: 72

約数和(自身を含む): 5586061824

約数和(自身を除く): 3436621804

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 11830, 23660, 90847, 181694, 363388, 454235, 635929, 908470, 1181011, 1271858, 1816940, 2362022, 2543716, 3179645, 4724044, 5905055, 6359290, 8267077, 11810110, 12718580, 15353143, 16534154, 23620220, 30706286, 33068308, 41335385, 61412572, 76765715, 82670770, 107472001, 153531430, 165341540, 214944002, 307062860, 429888004, 537360005, 1074720010, 2149440020]

約数ペア:

[(1, 2149440020), (2, 1074720010), (4, 537360005), (5, 429888004), (7, 307062860), (10, 214944002), (13, 165341540), (14, 153531430), (20, 107472001), (26, 82670770), (28, 76765715), (35, 61412572), (52, 41335385), (65, 33068308), (70, 30706286), (91, 23620220), (130, 16534154), (140, 15353143), (169, 12718580), (182, 11810110), (260, 8267077), (338, 6359290), (364, 5905055), (455, 4724044), (676, 3179645), (845, 2543716), (910, 2362022), (1183, 1816940), (1690, 1271858), (1820, 1181011), (2366, 908470), (3380, 635929), (4732, 454235), (5915, 363388), (11830, 181694), (23660, 90847)]