91772780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2657}}^1$

素因数の和:2834

約数の個数: 48

約数和(自身を含む): 211661856

約数和(自身を除く): 119889076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 2657, 3140, 3454, 5314, 6908, 8635, 10628, 13285, 17270, 26570, 29227, 34540, 53140, 58454, 116908, 146135, 292270, 417149, 584540, 834298, 1668596, 2085745, 4171490, 4588639, 8342980, 9177278, 18354556, 22943195, 45886390, 91772780]

約数ペア:

[(1, 91772780), (2, 45886390), (4, 22943195), (5, 18354556), (10, 9177278), (11, 8342980), (20, 4588639), (22, 4171490), (44, 2085745), (55, 1668596), (110, 834298), (157, 584540), (220, 417149), (314, 292270), (628, 146135), (785, 116908), (1570, 58454), (1727, 53140), (2657, 34540), (3140, 29227), (3454, 26570), (5314, 17270), (6908, 13285), (8635, 10628)]