12436340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 30059904

約数和(自身を除く): 17623564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 421, 422, 842, 844, 1055, 1477, 1684, 2105, 2110, 2947, 2954, 4210, 4220, 5894, 5908, 7385, 8420, 11788, 14735, 14770, 29470, 29540, 58940, 88831, 177662, 355324, 444155, 621817, 888310, 1243634, 1776620, 2487268, 3109085, 6218170, 12436340]

約数ペア:

[(1, 12436340), (2, 6218170), (4, 3109085), (5, 2487268), (7, 1776620), (10, 1243634), (14, 888310), (20, 621817), (28, 444155), (35, 355324), (70, 177662), (140, 88831), (211, 58940), (421, 29540), (422, 29470), (842, 14770), (844, 14735), (1055, 11788), (1477, 8420), (1684, 7385), (2105, 5908), (2110, 5894), (2947, 4220), (2954, 4210)]