2738560

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 7160400

約数和(自身を除く): 4421840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 389, 440, 640, 704, 778, 880, 1408, 1556, 1760, 1945, 3112, 3520, 3890, 4279, 6224, 7040, 7780, 8558, 12448, 15560, 17116, 21395, 24896, 31120, 34232, 42790, 49792, 62240, 68464, 85580, 124480, 136928, 171160, 248960, 273856, 342320, 547712, 684640, 1369280, 2738560]

約数ペア:

[(1, 2738560), (2, 1369280), (4, 684640), (5, 547712), (8, 342320), (10, 273856), (11, 248960), (16, 171160), (20, 136928), (22, 124480), (32, 85580), (40, 68464), (44, 62240), (55, 49792), (64, 42790), (80, 34232), (88, 31120), (110, 24896), (128, 21395), (160, 17116), (176, 15560), (220, 12448), (320, 8558), (352, 7780), (389, 7040), (440, 6224), (640, 4279), (704, 3890), (778, 3520), (880, 3112), (1408, 1945), (1556, 1760)]