140879984

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 330931200

約数和(自身を除く): 190051216

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 239, 266, 277, 304, 478, 532, 554, 956, 1064, 1108, 1673, 1912, 1939, 2128, 2216, 3346, 3824, 3878, 4432, 4541, 5263, 6692, 7756, 9082, 10526, 13384, 15512, 18164, 21052, 26768, 31024, 31787, 36328, 36841, 42104, 63574, 66203, 72656, 73682, 84208, 127148, 132406, 147364, 254296, 264812, 294728, 463421, 508592, 529624, 589456, 926842, 1059248, 1257857, 1853684, 2515714, 3707368, 5031428, 7414736, 8804999, 10062856, 17609998, 20125712, 35219996, 70439992, 140879984]

約数ペア:

[(1, 140879984), (2, 70439992), (4, 35219996), (7, 20125712), (8, 17609998), (14, 10062856), (16, 8804999), (19, 7414736), (28, 5031428), (38, 3707368), (56, 2515714), (76, 1853684), (112, 1257857), (133, 1059248), (152, 926842), (239, 589456), (266, 529624), (277, 508592), (304, 463421), (478, 294728), (532, 264812), (554, 254296), (956, 147364), (1064, 132406), (1108, 127148), (1673, 84208), (1912, 73682), (1939, 72656), (2128, 66203), (2216, 63574), (3346, 42104), (3824, 36841), (3878, 36328), (4432, 31787), (4541, 31024), (5263, 26768), (6692, 21052), (7756, 18164), (9082, 15512), (10526, 13384)]