8894660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 19958400

約数和(自身を除く): 11063740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 263, 356, 380, 445, 526, 890, 1052, 1315, 1691, 1780, 2630, 3382, 4997, 5260, 6764, 8455, 9994, 16910, 19988, 23407, 24985, 33820, 46814, 49970, 93628, 99940, 117035, 234070, 444733, 468140, 889466, 1778932, 2223665, 4447330, 8894660]

約数ペア:

[(1, 8894660), (2, 4447330), (4, 2223665), (5, 1778932), (10, 889466), (19, 468140), (20, 444733), (38, 234070), (76, 117035), (89, 99940), (95, 93628), (178, 49970), (190, 46814), (263, 33820), (356, 24985), (380, 23407), (445, 19988), (526, 16910), (890, 9994), (1052, 8455), (1315, 6764), (1691, 5260), (1780, 4997), (2630, 3382)]