1999550010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{4999}}^1$

素因数の和:5275

約数の個数: 64

約数和(自身を含む): 4896000000

約数和(自身を除く): 2896449990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 199, 201, 335, 398, 402, 597, 670, 995, 1005, 1194, 1990, 2010, 2985, 4999, 5970, 9998, 13333, 14997, 24995, 26666, 29994, 39999, 49990, 66665, 74985, 79998, 133330, 149970, 199995, 334933, 399990, 669866, 994801, 1004799, 1674665, 1989602, 2009598, 2984403, 3349330, 4974005, 5023995, 5968806, 9948010, 10047990, 14922015, 29844030, 66651667, 133303334, 199955001, 333258335, 399910002, 666516670, 999775005, 1999550010]

約数ペア:

[(1, 1999550010), (2, 999775005), (3, 666516670), (5, 399910002), (6, 333258335), (10, 199955001), (15, 133303334), (30, 66651667), (67, 29844030), (134, 14922015), (199, 10047990), (201, 9948010), (335, 5968806), (398, 5023995), (402, 4974005), (597, 3349330), (670, 2984403), (995, 2009598), (1005, 1989602), (1194, 1674665), (1990, 1004799), (2010, 994801), (2985, 669866), (4999, 399990), (5970, 334933), (9998, 199995), (13333, 149970), (14997, 133330), (24995, 79998), (26666, 74985), (29994, 66665), (39999, 49990)]