85808660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3209}}^1$

素因数の和:3416

約数の個数: 48

約数和(自身を含む): 207083520

約数和(自身を除く): 121274860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 955, 1337, 1910, 2674, 3209, 3820, 5348, 6418, 6685, 12836, 13370, 16045, 22463, 26740, 32090, 44926, 64180, 89852, 112315, 224630, 449260, 612919, 1225838, 2451676, 3064595, 4290433, 6129190, 8580866, 12258380, 17161732, 21452165, 42904330, 85808660]

約数ペア:

[(1, 85808660), (2, 42904330), (4, 21452165), (5, 17161732), (7, 12258380), (10, 8580866), (14, 6129190), (20, 4290433), (28, 3064595), (35, 2451676), (70, 1225838), (140, 612919), (191, 449260), (382, 224630), (764, 112315), (955, 89852), (1337, 64180), (1910, 44926), (2674, 32090), (3209, 26740), (3820, 22463), (5348, 16045), (6418, 13370), (6685, 12836)]