12176780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7907}}^1$

素因数の和:7934

約数の個数: 48

約数和(自身を含む): 31885056

約数和(自身を除く): 19708276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 7907, 15814, 31628, 39535, 55349, 79070, 86977, 110698, 158140, 173954, 221396, 276745, 347908, 434885, 553490, 608839, 869770, 1106980, 1217678, 1739540, 2435356, 3044195, 6088390, 12176780]

約数ペア:

[(1, 12176780), (2, 6088390), (4, 3044195), (5, 2435356), (7, 1739540), (10, 1217678), (11, 1106980), (14, 869770), (20, 608839), (22, 553490), (28, 434885), (35, 347908), (44, 276745), (55, 221396), (70, 173954), (77, 158140), (110, 110698), (140, 86977), (154, 79070), (220, 55349), (308, 39535), (385, 31628), (770, 15814), (1540, 7907)]