7880060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 17690400

約数和(自身を除く): 9810340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 233, 356, 380, 445, 466, 890, 932, 1165, 1691, 1780, 2330, 3382, 4427, 4660, 6764, 8455, 8854, 16910, 17708, 20737, 22135, 33820, 41474, 44270, 82948, 88540, 103685, 207370, 394003, 414740, 788006, 1576012, 1970015, 3940030, 7880060]

約数ペア:

[(1, 7880060), (2, 3940030), (4, 1970015), (5, 1576012), (10, 788006), (19, 414740), (20, 394003), (38, 207370), (76, 103685), (89, 88540), (95, 82948), (178, 44270), (190, 41474), (233, 33820), (356, 22135), (380, 20737), (445, 17708), (466, 16910), (890, 8854), (932, 8455), (1165, 6764), (1691, 4660), (1780, 4427), (2330, 3382)]