203930460

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 168

約数和(自身を含む): 654435936

約数和(自身を除く): 450505476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 197, 213, 243, 270, 284, 324, 355, 394, 405, 426, 486, 540, 591, 639, 710, 729, 788, 810, 852, 972, 985, 1065, 1182, 1215, 1278, 1420, 1458, 1620, 1773, 1917, 1970, 2130, 2364, 2430, 2556, 2916, 2955, 3195, 3546, 3645, 3834, 3940, 4260, 4860, 5319, 5751, 5910, 6390, 7092, 7290, 7668, 8865, 9585, 10638, 11502, 11820, 12780, 13987, 14580, 15957, 17253, 17730, 19170, 21276, 23004, 26595, 27974, 28755, 31914, 34506, 35460, 38340, 41961, 47871, 51759, 53190, 55948, 57510, 63828, 69012, 69935, 79785, 83922, 86265, 95742, 103518, 106380, 115020, 125883, 139870, 143613, 159570, 167844, 172530, 191484, 207036, 209805, 239355, 251766, 258795, 279740, 287226, 319140, 345060, 377649, 419610, 478710, 503532, 517590, 574452, 629415, 718065, 755298, 839220, 957420, 1035180, 1132947, 1258830, 1436130, 1510596, 1888245, 2265894, 2517660, 2872260, 3398841, 3776490, 4531788, 5664735, 6797682, 7552980, 10196523, 11329470, 13595364, 16994205, 20393046, 22658940, 33988410, 40786092, 50982615, 67976820, 101965230, 203930460]

約数ペア:

[(1, 203930460), (2, 101965230), (3, 67976820), (4, 50982615), (5, 40786092), (6, 33988410), (9, 22658940), (10, 20393046), (12, 16994205), (15, 13595364), (18, 11329470), (20, 10196523), (27, 7552980), (30, 6797682), (36, 5664735), (45, 4531788), (54, 3776490), (60, 3398841), (71, 2872260), (81, 2517660), (90, 2265894), (108, 1888245), (135, 1510596), (142, 1436130), (162, 1258830), (180, 1132947), (197, 1035180), (213, 957420), (243, 839220), (270, 755298), (284, 718065), (324, 629415), (355, 574452), (394, 517590), (405, 503532), (426, 478710), (486, 419610), (540, 377649), (591, 345060), (639, 319140), (710, 287226), (729, 279740), (788, 258795), (810, 251766), (852, 239355), (972, 209805), (985, 207036), (1065, 191484), (1182, 172530), (1215, 167844), (1278, 159570), (1420, 143613), (1458, 139870), (1620, 125883), (1773, 115020), (1917, 106380), (1970, 103518), (2130, 95742), (2364, 86265), (2430, 83922), (2556, 79785), (2916, 69935), (2955, 69012), (3195, 63828), (3546, 57510), (3645, 55948), (3834, 53190), (3940, 51759), (4260, 47871), (4860, 41961), (5319, 38340), (5751, 35460), (5910, 34506), (6390, 31914), (7092, 28755), (7290, 27974), (7668, 26595), (8865, 23004), (9585, 21276), (10638, 19170), (11502, 17730), (11820, 17253), (12780, 15957), (13987, 14580)]