11970980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2311}}^1$

素因数の和:2364

約数の個数: 48

約数和(自身を含む): 29519616

約数和(自身を除く): 17548636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2311, 2590, 4622, 5180, 9244, 11555, 16177, 23110, 32354, 46220, 64708, 80885, 85507, 161770, 171014, 323540, 342028, 427535, 598549, 855070, 1197098, 1710140, 2394196, 2992745, 5985490, 11970980]

約数ペア:

[(1, 11970980), (2, 5985490), (4, 2992745), (5, 2394196), (7, 1710140), (10, 1197098), (14, 855070), (20, 598549), (28, 427535), (35, 342028), (37, 323540), (70, 171014), (74, 161770), (140, 85507), (148, 80885), (185, 64708), (259, 46220), (370, 32354), (518, 23110), (740, 16177), (1036, 11555), (1295, 9244), (2311, 5180), (2590, 4622)]