1490296390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{1103}}^1$

素因数の和:1365

約数の個数: 64

約数和(自身を含む): 2987476992

約数和(自身を除く): 1497180602

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 173, 346, 355, 710, 781, 865, 1103, 1562, 1730, 1903, 2206, 3806, 3905, 5515, 7810, 9515, 11030, 12133, 12283, 19030, 24266, 24566, 60665, 61415, 78313, 121330, 122830, 135113, 156626, 190819, 270226, 381638, 391565, 675565, 783130, 861443, 954095, 1351130, 1722886, 1908190, 2099009, 4198018, 4307215, 8614430, 10495045, 13548149, 20990090, 27096298, 67740745, 135481490, 149029639, 298059278, 745148195, 1490296390]

約数ペア:

[(1, 1490296390), (2, 745148195), (5, 298059278), (10, 149029639), (11, 135481490), (22, 67740745), (55, 27096298), (71, 20990090), (110, 13548149), (142, 10495045), (173, 8614430), (346, 4307215), (355, 4198018), (710, 2099009), (781, 1908190), (865, 1722886), (1103, 1351130), (1562, 954095), (1730, 861443), (1903, 783130), (2206, 675565), (3806, 391565), (3905, 381638), (5515, 270226), (7810, 190819), (9515, 156626), (11030, 135113), (12133, 122830), (12283, 121330), (19030, 78313), (24266, 61415), (24566, 60665)]