138553520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{617}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 369672768

約数和(自身を除く): 231119248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 401, 560, 617, 802, 1234, 1604, 2005, 2468, 2807, 3085, 3208, 4010, 4319, 4936, 5614, 6170, 6416, 8020, 8638, 9872, 11228, 12340, 14035, 16040, 17276, 21595, 22456, 24680, 28070, 32080, 34552, 43190, 44912, 49360, 56140, 69104, 86380, 112280, 172760, 224560, 247417, 345520, 494834, 989668, 1237085, 1731919, 1979336, 2474170, 3463838, 3958672, 4948340, 6927676, 8659595, 9896680, 13855352, 17319190, 19793360, 27710704, 34638380, 69276760, 138553520]

約数ペア:

[(1, 138553520), (2, 69276760), (4, 34638380), (5, 27710704), (7, 19793360), (8, 17319190), (10, 13855352), (14, 9896680), (16, 8659595), (20, 6927676), (28, 4948340), (35, 3958672), (40, 3463838), (56, 2474170), (70, 1979336), (80, 1731919), (112, 1237085), (140, 989668), (280, 494834), (401, 345520), (560, 247417), (617, 224560), (802, 172760), (1234, 112280), (1604, 86380), (2005, 69104), (2468, 56140), (2807, 49360), (3085, 44912), (3208, 43190), (4010, 34552), (4319, 32080), (4936, 28070), (5614, 24680), (6170, 22456), (6416, 21595), (8020, 17276), (8638, 16040), (9872, 14035), (11228, 12340)]