218211400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 569963520

約数和(自身を除く): 351752120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 71, 88, 100, 110, 121, 127, 142, 200, 220, 242, 254, 275, 284, 355, 440, 484, 508, 550, 568, 605, 635, 710, 781, 968, 1016, 1100, 1210, 1270, 1397, 1420, 1562, 1775, 2200, 2420, 2540, 2794, 2840, 3025, 3124, 3175, 3550, 3905, 4840, 5080, 5588, 6050, 6248, 6350, 6985, 7100, 7810, 8591, 9017, 11176, 12100, 12700, 13970, 14200, 15367, 15620, 17182, 18034, 19525, 24200, 25400, 27940, 30734, 31240, 34364, 34925, 36068, 39050, 42955, 45085, 55880, 61468, 68728, 69850, 72136, 76835, 78100, 85910, 90170, 99187, 122936, 139700, 153670, 156200, 171820, 180340, 198374, 214775, 225425, 279400, 307340, 343640, 360680, 384175, 396748, 429550, 450850, 495935, 614680, 768350, 793496, 859100, 901700, 991870, 1091057, 1536700, 1718200, 1803400, 1983740, 2182114, 2479675, 3073400, 3967480, 4364228, 4959350, 5455285, 8728456, 9918700, 10910570, 19837400, 21821140, 27276425, 43642280, 54552850, 109105700, 218211400]

約数ペア:

[(1, 218211400), (2, 109105700), (4, 54552850), (5, 43642280), (8, 27276425), (10, 21821140), (11, 19837400), (20, 10910570), (22, 9918700), (25, 8728456), (40, 5455285), (44, 4959350), (50, 4364228), (55, 3967480), (71, 3073400), (88, 2479675), (100, 2182114), (110, 1983740), (121, 1803400), (127, 1718200), (142, 1536700), (200, 1091057), (220, 991870), (242, 901700), (254, 859100), (275, 793496), (284, 768350), (355, 614680), (440, 495935), (484, 450850), (508, 429550), (550, 396748), (568, 384175), (605, 360680), (635, 343640), (710, 307340), (781, 279400), (968, 225425), (1016, 214775), (1100, 198374), (1210, 180340), (1270, 171820), (1397, 156200), (1420, 153670), (1562, 139700), (1775, 122936), (2200, 99187), (2420, 90170), (2540, 85910), (2794, 78100), (2840, 76835), (3025, 72136), (3124, 69850), (3175, 68728), (3550, 61468), (3905, 55880), (4840, 45085), (5080, 42955), (5588, 39050), (6050, 36068), (6248, 34925), (6350, 34364), (6985, 31240), (7100, 30734), (7810, 27940), (8591, 25400), (9017, 24200), (11176, 19525), (12100, 18034), (12700, 17182), (13970, 15620), (14200, 15367)]