204137780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1965

約数の個数: 96

約数和(自身を含む): 542287872

約数和(自身を除く): 338150092

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 154, 220, 284, 308, 355, 385, 497, 710, 770, 781, 994, 1420, 1540, 1562, 1867, 1988, 2485, 3124, 3734, 3905, 4970, 5467, 7468, 7810, 9335, 9940, 10934, 13069, 15620, 18670, 20537, 21868, 26138, 27335, 37340, 41074, 52276, 54670, 65345, 82148, 102685, 109340, 130690, 132557, 143759, 205370, 261380, 265114, 287518, 410740, 530228, 575036, 662785, 718795, 927899, 1325570, 1437590, 1458127, 1855798, 2651140, 2875180, 2916254, 3711596, 4639495, 5832508, 7290635, 9278990, 10206889, 14581270, 18557980, 20413778, 29162540, 40827556, 51034445, 102068890, 204137780]

約数ペア:

[(1, 204137780), (2, 102068890), (4, 51034445), (5, 40827556), (7, 29162540), (10, 20413778), (11, 18557980), (14, 14581270), (20, 10206889), (22, 9278990), (28, 7290635), (35, 5832508), (44, 4639495), (55, 3711596), (70, 2916254), (71, 2875180), (77, 2651140), (110, 1855798), (140, 1458127), (142, 1437590), (154, 1325570), (220, 927899), (284, 718795), (308, 662785), (355, 575036), (385, 530228), (497, 410740), (710, 287518), (770, 265114), (781, 261380), (994, 205370), (1420, 143759), (1540, 132557), (1562, 130690), (1867, 109340), (1988, 102685), (2485, 82148), (3124, 65345), (3734, 54670), (3905, 52276), (4970, 41074), (5467, 37340), (7468, 27335), (7810, 26138), (9335, 21868), (9940, 20537), (10934, 18670), (13069, 15620)]