220939040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{28181}}^1$

素因数の和:28210

約数の個数: 72

約数和(自身を含む): 607209372

約数和(自身を除く): 386270332

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 28181, 56362, 112724, 140905, 197267, 225448, 281810, 394534, 450896, 563620, 789068, 901792, 986335, 1127240, 1380869, 1578136, 1972670, 2254480, 2761738, 3156272, 3945340, 4508960, 5523476, 6312544, 6904345, 7890680, 11046952, 13808690, 15781360, 22093904, 27617380, 31562720, 44187808, 55234760, 110469520, 220939040]

約数ペア:

[(1, 220939040), (2, 110469520), (4, 55234760), (5, 44187808), (7, 31562720), (8, 27617380), (10, 22093904), (14, 15781360), (16, 13808690), (20, 11046952), (28, 7890680), (32, 6904345), (35, 6312544), (40, 5523476), (49, 4508960), (56, 3945340), (70, 3156272), (80, 2761738), (98, 2254480), (112, 1972670), (140, 1578136), (160, 1380869), (196, 1127240), (224, 986335), (245, 901792), (280, 789068), (392, 563620), (490, 450896), (560, 394534), (784, 281810), (980, 225448), (1120, 197267), (1568, 140905), (1960, 112724), (3920, 56362), (7840, 28181)]