6662540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 14968800

約数和(自身を除く): 8306260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 197, 356, 380, 394, 445, 788, 890, 985, 1691, 1780, 1970, 3382, 3743, 3940, 6764, 7486, 8455, 14972, 16910, 17533, 18715, 33820, 35066, 37430, 70132, 74860, 87665, 175330, 333127, 350660, 666254, 1332508, 1665635, 3331270, 6662540]

約数ペア:

[(1, 6662540), (2, 3331270), (4, 1665635), (5, 1332508), (10, 666254), (19, 350660), (20, 333127), (38, 175330), (76, 87665), (89, 74860), (95, 70132), (178, 37430), (190, 35066), (197, 33820), (356, 18715), (380, 17533), (394, 16910), (445, 14972), (788, 8455), (890, 7486), (985, 6764), (1691, 3940), (1780, 3743), (1970, 3382)]