199939120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67547}}^1$

素因数の和:67597

約数の個数: 40

約数和(自身を含む): 477429264

約数和(自身を除く): 277490144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 67547, 135094, 270188, 337735, 540376, 675470, 1080752, 1350940, 2499239, 2701880, 4998478, 5403760, 9996956, 12496195, 19993912, 24992390, 39987824, 49984780, 99969560, 199939120]

約数ペア:

[(1, 199939120), (2, 99969560), (4, 49984780), (5, 39987824), (8, 24992390), (10, 19993912), (16, 12496195), (20, 9996956), (37, 5403760), (40, 4998478), (74, 2701880), (80, 2499239), (148, 1350940), (185, 1080752), (296, 675470), (370, 540376), (592, 337735), (740, 270188), (1480, 135094), (2960, 67547)]