27440140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15077}}^1$

素因数の和:15106

約数の個数: 48

約数和(自身を含む): 70926912

約数和(自身を除く): 43486772

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15077, 30154, 60308, 75385, 105539, 150770, 196001, 211078, 301540, 392002, 422156, 527695, 784004, 980005, 1055390, 1372007, 1960010, 2110780, 2744014, 3920020, 5488028, 6860035, 13720070, 27440140]

約数ペア:

[(1, 27440140), (2, 13720070), (4, 6860035), (5, 5488028), (7, 3920020), (10, 2744014), (13, 2110780), (14, 1960010), (20, 1372007), (26, 1055390), (28, 980005), (35, 784004), (52, 527695), (65, 422156), (70, 392002), (91, 301540), (130, 211078), (140, 196001), (182, 150770), (260, 105539), (364, 75385), (455, 60308), (910, 30154), (1820, 15077)]