64900660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1879}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 149708160

約数和(自身を除く): 84807500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 1879, 3140, 3454, 3758, 6908, 7516, 8635, 9395, 17270, 18790, 20669, 34540, 37580, 41338, 82676, 103345, 206690, 295003, 413380, 590006, 1180012, 1475015, 2950030, 3245033, 5900060, 6490066, 12980132, 16225165, 32450330, 64900660]

約数ペア:

[(1, 64900660), (2, 32450330), (4, 16225165), (5, 12980132), (10, 6490066), (11, 5900060), (20, 3245033), (22, 2950030), (44, 1475015), (55, 1180012), (110, 590006), (157, 413380), (220, 295003), (314, 206690), (628, 103345), (785, 82676), (1570, 41338), (1727, 37580), (1879, 34540), (3140, 20669), (3454, 18790), (3758, 17270), (6908, 9395), (7516, 8635)]