199973560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 493516800

約数和(自身を除く): 293543240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 67, 83, 116, 124, 134, 145, 155, 166, 232, 248, 268, 290, 310, 332, 335, 415, 536, 580, 620, 664, 670, 830, 899, 1160, 1240, 1340, 1660, 1798, 1943, 2077, 2407, 2573, 2680, 3320, 3596, 3886, 4154, 4495, 4814, 5146, 5561, 7192, 7772, 8308, 8990, 9628, 9715, 10292, 10385, 11122, 12035, 12865, 15544, 16616, 17980, 19256, 19430, 20584, 20770, 22244, 24070, 25730, 27805, 35960, 38860, 41540, 44488, 48140, 51460, 55610, 60233, 74617, 77720, 83080, 96280, 102920, 111220, 120466, 149234, 161269, 172391, 222440, 240932, 298468, 301165, 322538, 344782, 373085, 481864, 596936, 602330, 645076, 689564, 746170, 806345, 861955, 1204660, 1290152, 1379128, 1492340, 1612690, 1723910, 2409320, 2984680, 3225380, 3447820, 4999339, 6450760, 6895640, 9998678, 19997356, 24996695, 39994712, 49993390, 99986780, 199973560]

約数ペア:

[(1, 199973560), (2, 99986780), (4, 49993390), (5, 39994712), (8, 24996695), (10, 19997356), (20, 9998678), (29, 6895640), (31, 6450760), (40, 4999339), (58, 3447820), (62, 3225380), (67, 2984680), (83, 2409320), (116, 1723910), (124, 1612690), (134, 1492340), (145, 1379128), (155, 1290152), (166, 1204660), (232, 861955), (248, 806345), (268, 746170), (290, 689564), (310, 645076), (332, 602330), (335, 596936), (415, 481864), (536, 373085), (580, 344782), (620, 322538), (664, 301165), (670, 298468), (830, 240932), (899, 222440), (1160, 172391), (1240, 161269), (1340, 149234), (1660, 120466), (1798, 111220), (1943, 102920), (2077, 96280), (2407, 83080), (2573, 77720), (2680, 74617), (3320, 60233), (3596, 55610), (3886, 51460), (4154, 48140), (4495, 44488), (4814, 41540), (5146, 38860), (5561, 35960), (7192, 27805), (7772, 25730), (8308, 24070), (8990, 22244), (9628, 20770), (9715, 20584), (10292, 19430), (10385, 19256), (11122, 17980), (12035, 16616), (12865, 15544)]