12463780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 30191616

約数和(自身を除く): 17727836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 701, 889, 1270, 1402, 1778, 2540, 2804, 3505, 3556, 4445, 4907, 7010, 8890, 9814, 14020, 17780, 19628, 24535, 49070, 89027, 98140, 178054, 356108, 445135, 623189, 890270, 1246378, 1780540, 2492756, 3115945, 6231890, 12463780]

約数ペア:

[(1, 12463780), (2, 6231890), (4, 3115945), (5, 2492756), (7, 1780540), (10, 1246378), (14, 890270), (20, 623189), (28, 445135), (35, 356108), (70, 178054), (127, 98140), (140, 89027), (254, 49070), (508, 24535), (635, 19628), (701, 17780), (889, 14020), (1270, 9814), (1402, 8890), (1778, 7010), (2540, 4907), (2804, 4445), (3505, 3556)]