499170420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2011}}^1$

素因数の和:2230

約数の個数: 144

約数和(自身を含む): 1740106368

約数和(自身を除く): 1240935948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 197, 210, 252, 315, 394, 420, 591, 630, 788, 985, 1182, 1260, 1379, 1773, 1970, 2011, 2364, 2758, 2955, 3546, 3940, 4022, 4137, 5516, 5910, 6033, 6895, 7092, 8044, 8274, 8865, 10055, 11820, 12066, 12411, 13790, 14077, 16548, 17730, 18099, 20110, 20685, 24132, 24822, 27580, 28154, 30165, 35460, 36198, 40220, 41370, 42231, 49644, 56308, 60330, 62055, 70385, 72396, 82740, 84462, 90495, 120660, 124110, 126693, 140770, 168924, 180990, 211155, 248220, 253386, 281540, 361980, 396167, 422310, 506772, 633465, 792334, 844620, 1188501, 1266930, 1584668, 1980835, 2377002, 2533860, 2773169, 3565503, 3961670, 4754004, 5546338, 5942505, 7131006, 7923340, 8319507, 11092676, 11885010, 13865845, 14262012, 16639014, 17827515, 23770020, 24958521, 27731690, 33278028, 35655030, 41597535, 49917042, 55463380, 71310060, 83195070, 99834084, 124792605, 166390140, 249585210, 499170420]

約数ペア:

[(1, 499170420), (2, 249585210), (3, 166390140), (4, 124792605), (5, 99834084), (6, 83195070), (7, 71310060), (9, 55463380), (10, 49917042), (12, 41597535), (14, 35655030), (15, 33278028), (18, 27731690), (20, 24958521), (21, 23770020), (28, 17827515), (30, 16639014), (35, 14262012), (36, 13865845), (42, 11885010), (45, 11092676), (60, 8319507), (63, 7923340), (70, 7131006), (84, 5942505), (90, 5546338), (105, 4754004), (126, 3961670), (140, 3565503), (180, 2773169), (197, 2533860), (210, 2377002), (252, 1980835), (315, 1584668), (394, 1266930), (420, 1188501), (591, 844620), (630, 792334), (788, 633465), (985, 506772), (1182, 422310), (1260, 396167), (1379, 361980), (1773, 281540), (1970, 253386), (2011, 248220), (2364, 211155), (2758, 180990), (2955, 168924), (3546, 140770), (3940, 126693), (4022, 124110), (4137, 120660), (5516, 90495), (5910, 84462), (6033, 82740), (6895, 72396), (7092, 70385), (8044, 62055), (8274, 60330), (8865, 56308), (10055, 49644), (11820, 42231), (12066, 41370), (12411, 40220), (13790, 36198), (14077, 35460), (16548, 30165), (17730, 28154), (18099, 27580), (20110, 24822), (20685, 24132)]