68881540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37847}}^1$

素因数の和:37876

約数の個数: 48

約数和(自身を含む): 178036992

約数和(自身を除く): 109155452

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, 37847, 75694, 151388, 189235, 264929, 378470, 492011, 529858, 756940, 984022, 1059716, 1324645, 1968044, 2460055, 2649290, 3444077, 4920110, 5298580, 6888154, 9840220, 13776308, 17220385, 34440770, 68881540]

約数ペア:

[(1, 68881540), (2, 34440770), (4, 17220385), (5, 13776308), (7, 9840220), (10, 6888154), (13, 5298580), (14, 4920110), (20, 3444077), (26, 2649290), (28, 2460055), (35, 1968044), (52, 1324645), (65, 1059716), (70, 984022), (91, 756940), (130, 529858), (140, 492011), (182, 378470), (260, 264929), (364, 189235), (455, 151388), (910, 75694), (1820, 37847)]