188895420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{761}}^1$

素因数の和:980

約数の個数: 144

約数和(自身を含む): 659026368

約数和(自身を除く): 470130948

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, 761, 788, 985, 1182, 1260, 1379, 1522, 1773, 1970, 2283, 2364, 2758, 2955, 3044, 3546, 3805, 3940, 4137, 4566, 5327, 5516, 5910, 6849, 6895, 7092, 7610, 8274, 8865, 9132, 10654, 11415, 11820, 12411, 13698, 13790, 15220, 15981, 16548, 17730, 20685, 21308, 22830, 24822, 26635, 27396, 27580, 31962, 34245, 35460, 41370, 45660, 47943, 49644, 53270, 62055, 63924, 68490, 79905, 82740, 95886, 106540, 124110, 136980, 149917, 159810, 191772, 239715, 248220, 299834, 319620, 449751, 479430, 599668, 749585, 899502, 958860, 1049419, 1349253, 1499170, 1799004, 2098838, 2248755, 2698506, 2998340, 3148257, 4197676, 4497510, 5247095, 5397012, 6296514, 6746265, 8995020, 9444771, 10494190, 12593028, 13492530, 15741285, 18889542, 20988380, 26985060, 31482570, 37779084, 47223855, 62965140, 94447710, 188895420]

約数ペア:

[(1, 188895420), (2, 94447710), (3, 62965140), (4, 47223855), (5, 37779084), (6, 31482570), (7, 26985060), (9, 20988380), (10, 18889542), (12, 15741285), (14, 13492530), (15, 12593028), (18, 10494190), (20, 9444771), (21, 8995020), (28, 6746265), (30, 6296514), (35, 5397012), (36, 5247095), (42, 4497510), (45, 4197676), (60, 3148257), (63, 2998340), (70, 2698506), (84, 2248755), (90, 2098838), (105, 1799004), (126, 1499170), (140, 1349253), (180, 1049419), (197, 958860), (210, 899502), (252, 749585), (315, 599668), (394, 479430), (420, 449751), (591, 319620), (630, 299834), (761, 248220), (788, 239715), (985, 191772), (1182, 159810), (1260, 149917), (1379, 136980), (1522, 124110), (1773, 106540), (1970, 95886), (2283, 82740), (2364, 79905), (2758, 68490), (2955, 63924), (3044, 62055), (3546, 53270), (3805, 49644), (3940, 47943), (4137, 45660), (4566, 41370), (5327, 35460), (5516, 34245), (5910, 31962), (6849, 27580), (6895, 27396), (7092, 26635), (7610, 24822), (8274, 22830), (8865, 21308), (9132, 20685), (10654, 17730), (11415, 16548), (11820, 15981), (12411, 15220), (13698, 13790)]