1388795870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43991}}^1$

素因数の和:44057

約数の個数: 64

約数和(自身を含む): 3192763392

約数和(自身を除く): 1803967522

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, 31570, 43991, 87982, 219955, 307937, 439910, 483901, 615874, 967802, 1539685, 1803631, 2419505, 3079370, 3387307, 3607262, 4839010, 6774614, 9018155, 12625417, 16936535, 18036310, 19839941, 25250834, 33873070, 39679882, 63127085, 99199705, 126254170, 138879587, 198399410, 277759174, 694397935, 1388795870]

約数ペア:

[(1, 1388795870), (2, 694397935), (5, 277759174), (7, 198399410), (10, 138879587), (11, 126254170), (14, 99199705), (22, 63127085), (35, 39679882), (41, 33873070), (55, 25250834), (70, 19839941), (77, 18036310), (82, 16936535), (110, 12625417), (154, 9018155), (205, 6774614), (287, 4839010), (385, 3607262), (410, 3387307), (451, 3079370), (574, 2419505), (770, 1803631), (902, 1539685), (1435, 967802), (2255, 615874), (2870, 483901), (3157, 439910), (4510, 307937), (6314, 219955), (15785, 87982), (31570, 43991)]