49959990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1723

約数の個数: 80

約数和(自身を含む): 138050352

約数和(自身を除く): 88090362

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 270, 333, 370, 405, 555, 666, 810, 999, 1110, 1665, 1667, 1998, 2997, 3330, 3334, 4995, 5001, 5994, 8335, 9990, 10002, 14985, 15003, 16670, 25005, 29970, 30006, 45009, 50010, 61679, 75015, 90018, 123358, 135027, 150030, 185037, 225045, 270054, 308395, 370074, 450090, 555111, 616790, 675135, 925185, 1110222, 1350270, 1665333, 1850370, 2775555, 3330666, 4995999, 5551110, 8326665, 9991998, 16653330, 24979995, 49959990]

約数ペア:

[(1, 49959990), (2, 24979995), (3, 16653330), (5, 9991998), (6, 8326665), (9, 5551110), (10, 4995999), (15, 3330666), (18, 2775555), (27, 1850370), (30, 1665333), (37, 1350270), (45, 1110222), (54, 925185), (74, 675135), (81, 616790), (90, 555111), (111, 450090), (135, 370074), (162, 308395), (185, 270054), (222, 225045), (270, 185037), (333, 150030), (370, 135027), (405, 123358), (555, 90018), (666, 75015), (810, 61679), (999, 50010), (1110, 45009), (1665, 30006), (1667, 29970), (1998, 25005), (2997, 16670), (3330, 15003), (3334, 14985), (4995, 10002), (5001, 9990), (5994, 8335)]