244657040

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28057}}^1$

素因数の和:28179

約数の個数: 40

約数和(自身を含む): 574066680

約数和(自身を除く): 329409640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 28057, 56114, 112228, 140285, 224456, 280570, 448912, 561140, 1122280, 2244560, 3058213, 6116426, 12232852, 15291065, 24465704, 30582130, 48931408, 61164260, 122328520, 244657040]

約数ペア:

[(1, 244657040), (2, 122328520), (4, 61164260), (5, 48931408), (8, 30582130), (10, 24465704), (16, 15291065), (20, 12232852), (40, 6116426), (80, 3058213), (109, 2244560), (218, 1122280), (436, 561140), (545, 448912), (872, 280570), (1090, 224456), (1744, 140285), (2180, 112228), (4360, 56114), (8720, 28057)]