1640777545

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 2212056000

約数和(自身を除く): 571278455

約数列:

[1, 5, 11, 55, 109, 121, 139, 179, 545, 605, 695, 895, 1199, 1529, 1969, 5995, 7645, 9845, 13189, 15151, 16819, 19511, 21659, 24881, 65945, 75755, 84095, 97555, 108295, 124405, 166661, 214621, 273691, 833305, 1073105, 1368455, 1833271, 2360831, 2712029, 3010601, 9166355, 11804155, 13560145, 15053005, 29832319, 149161595, 328155509, 1640777545]

約数ペア:

[(1, 1640777545), (5, 328155509), (11, 149161595), (55, 29832319), (109, 15053005), (121, 13560145), (139, 11804155), (179, 9166355), (545, 3010601), (605, 2712029), (695, 2360831), (895, 1833271), (1199, 1368455), (1529, 1073105), (1969, 833305), (5995, 273691), (7645, 214621), (9845, 166661), (13189, 124405), (15151, 108295), (16819, 97555), (19511, 84095), (21659, 75755), (24881, 65945)]