890305570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{28201}}^1$

素因数の和:28267

約数の個数: 64

約数和(自身を含む): 2046788352

約数和(自身を除く): 1156482782

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 41, 55, 70, 77, 82, 110, 154, 205, 287, 385, 410, 451, 574, 770, 902, 1435, 2255, 2870, 3157, 4510, 6314, 15785, 28201, 31570, 56402, 141005, 197407, 282010, 310211, 394814, 620422, 987035, 1156241, 1551055, 1974070, 2171477, 2312482, 3102110, 4342954, 5781205, 8093687, 10857385, 11562410, 12718651, 16187374, 21714770, 25437302, 40468435, 63593255, 80936870, 89030557, 127186510, 178061114, 445152785, 890305570]

約数ペア:

[(1, 890305570), (2, 445152785), (5, 178061114), (7, 127186510), (10, 89030557), (11, 80936870), (14, 63593255), (22, 40468435), (35, 25437302), (41, 21714770), (55, 16187374), (70, 12718651), (77, 11562410), (82, 10857385), (110, 8093687), (154, 5781205), (205, 4342954), (287, 3102110), (385, 2312482), (410, 2171477), (451, 1974070), (574, 1551055), (770, 1156241), (902, 987035), (1435, 620422), (2255, 394814), (2870, 310211), (3157, 282010), (4510, 197407), (6314, 141005), (15785, 56402), (28201, 31570)]