645656690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{401029}}^1$

素因数の和:401066

約数の個数: 32

約数和(自身を含む): 1385959680

約数和(自身を除く): 740302990

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 401029, 802058, 2005145, 2807203, 4010290, 5614406, 9223667, 14036015, 18447334, 28072030, 46118335, 64565669, 92236670, 129131338, 322828345, 645656690]

約数ペア:

[(1, 645656690), (2, 322828345), (5, 129131338), (7, 92236670), (10, 64565669), (14, 46118335), (23, 28072030), (35, 18447334), (46, 14036015), (70, 9223667), (115, 5614406), (161, 4010290), (230, 2807203), (322, 2005145), (805, 802058), (1610, 401029)]