127820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 338688

約数和(自身を除く): 210868

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 83, 110, 140, 154, 166, 220, 308, 332, 385, 415, 581, 770, 830, 913, 1162, 1540, 1660, 1826, 2324, 2905, 3652, 4565, 5810, 6391, 9130, 11620, 12782, 18260, 25564, 31955, 63910, 127820]

約数ペア:

[(1, 127820), (2, 63910), (4, 31955), (5, 25564), (7, 18260), (10, 12782), (11, 11620), (14, 9130), (20, 6391), (22, 5810), (28, 4565), (35, 3652), (44, 2905), (55, 2324), (70, 1826), (77, 1660), (83, 1540), (110, 1162), (140, 913), (154, 830), (166, 770), (220, 581), (308, 415), (332, 385)]