161449540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1153211}}^1$

素因数の和:1153227

約数の個数: 24

約数和(自身を含む): 387479232

約数和(自身を除く): 226029692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1153211, 2306422, 4612844, 5766055, 8072477, 11532110, 16144954, 23064220, 32289908, 40362385, 80724770, 161449540]

約数ペア:

[(1, 161449540), (2, 80724770), (4, 40362385), (5, 32289908), (7, 23064220), (10, 16144954), (14, 11532110), (20, 8072477), (28, 5766055), (35, 4612844), (70, 2306422), (140, 1153211)]