207855340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:1999

約数の個数: 96

約数和(自身を含む): 552158208

約数和(自身を除く): 344302868

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, 1901, 1988, 2485, 3124, 3802, 3905, 4970, 5467, 7604, 7810, 9505, 9940, 10934, 13307, 15620, 19010, 20911, 21868, 26614, 27335, 38020, 41822, 53228, 54670, 66535, 83644, 104555, 109340, 133070, 134971, 146377, 209110, 266140, 269942, 292754, 418220, 539884, 585508, 674855, 731885, 944797, 1349710, 1463770, 1484681, 1889594, 2699420, 2927540, 2969362, 3779188, 4723985, 5938724, 7423405, 9447970, 10392767, 14846810, 18895940, 20785534, 29693620, 41571068, 51963835, 103927670, 207855340]

約数ペア:

[(1, 207855340), (2, 103927670), (4, 51963835), (5, 41571068), (7, 29693620), (10, 20785534), (11, 18895940), (14, 14846810), (20, 10392767), (22, 9447970), (28, 7423405), (35, 5938724), (44, 4723985), (55, 3779188), (70, 2969362), (71, 2927540), (77, 2699420), (110, 1889594), (140, 1484681), (142, 1463770), (154, 1349710), (220, 944797), (284, 731885), (308, 674855), (355, 585508), (385, 539884), (497, 418220), (710, 292754), (770, 269942), (781, 266140), (994, 209110), (1420, 146377), (1540, 134971), (1562, 133070), (1901, 109340), (1988, 104555), (2485, 83644), (3124, 66535), (3802, 54670), (3905, 53228), (4970, 41822), (5467, 38020), (7604, 27335), (7810, 26614), (9505, 21868), (9940, 20911), (10934, 19010), (13307, 15620)]