209021540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{114847}}^1$

素因数の和:114876

約数の個数: 48

約数和(自身を含む): 540244992

約数和(自身を除く): 331223452

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, 114847, 229694, 459388, 574235, 803929, 1148470, 1493011, 1607858, 2296940, 2986022, 3215716, 4019645, 5972044, 7465055, 8039290, 10451077, 14930110, 16078580, 20902154, 29860220, 41804308, 52255385, 104510770, 209021540]

約数ペア:

[(1, 209021540), (2, 104510770), (4, 52255385), (5, 41804308), (7, 29860220), (10, 20902154), (13, 16078580), (14, 14930110), (20, 10451077), (26, 8039290), (28, 7465055), (35, 5972044), (52, 4019645), (65, 3215716), (70, 2986022), (91, 2296940), (130, 1607858), (140, 1493011), (182, 1148470), (260, 803929), (364, 574235), (455, 459388), (910, 229694), (1820, 114847)]