2891440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 6874560

約数和(自身を除く): 3983120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 769, 940, 1538, 1880, 3076, 3760, 3845, 6152, 7690, 12304, 15380, 30760, 36143, 61520, 72286, 144572, 180715, 289144, 361430, 578288, 722860, 1445720, 2891440]

約数ペア:

[(1, 2891440), (2, 1445720), (4, 722860), (5, 578288), (8, 361430), (10, 289144), (16, 180715), (20, 144572), (40, 72286), (47, 61520), (80, 36143), (94, 30760), (188, 15380), (235, 12304), (376, 7690), (470, 6152), (752, 3845), (769, 3760), (940, 3076), (1538, 1880)]