68531540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{44501}}^1$

素因数の和:44528

約数の個数: 48

約数和(自身を含む): 179432064

約数和(自身を除く): 110900524

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 44501, 89002, 178004, 222505, 311507, 445010, 489511, 623014, 890020, 979022, 1246028, 1557535, 1958044, 2447555, 3115070, 3426577, 4895110, 6230140, 6853154, 9790220, 13706308, 17132885, 34265770, 68531540]

約数ペア:

[(1, 68531540), (2, 34265770), (4, 17132885), (5, 13706308), (7, 9790220), (10, 6853154), (11, 6230140), (14, 4895110), (20, 3426577), (22, 3115070), (28, 2447555), (35, 1958044), (44, 1557535), (55, 1246028), (70, 979022), (77, 890020), (110, 623014), (140, 489511), (154, 445010), (220, 311507), (308, 222505), (385, 178004), (770, 89002), (1540, 44501)]