197455140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 621548928

約数和(自身を除く): 424093788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 97, 129, 172, 180, 194, 215, 258, 263, 291, 387, 388, 430, 485, 516, 526, 582, 645, 774, 789, 860, 873, 970, 1052, 1164, 1290, 1315, 1455, 1548, 1578, 1746, 1935, 1940, 2367, 2580, 2630, 2910, 3156, 3492, 3870, 3945, 4171, 4365, 4734, 5260, 5820, 7740, 7890, 8342, 8730, 9468, 11309, 11835, 12513, 15780, 16684, 17460, 20855, 22618, 23670, 25026, 25511, 33927, 37539, 41710, 45236, 47340, 50052, 51022, 56545, 62565, 67854, 75078, 76533, 83420, 101781, 102044, 113090, 125130, 127555, 135708, 150156, 153066, 169635, 187695, 203562, 226180, 229599, 250260, 255110, 306132, 339270, 375390, 382665, 407124, 459198, 508905, 510220, 678540, 750780, 765330, 918396, 1017810, 1096973, 1147995, 1530660, 2035620, 2193946, 2295990, 3290919, 4387892, 4591980, 5484865, 6581838, 9872757, 10969730, 13163676, 16454595, 19745514, 21939460, 32909190, 39491028, 49363785, 65818380, 98727570, 197455140]

約数ペア:

[(1, 197455140), (2, 98727570), (3, 65818380), (4, 49363785), (5, 39491028), (6, 32909190), (9, 21939460), (10, 19745514), (12, 16454595), (15, 13163676), (18, 10969730), (20, 9872757), (30, 6581838), (36, 5484865), (43, 4591980), (45, 4387892), (60, 3290919), (86, 2295990), (90, 2193946), (97, 2035620), (129, 1530660), (172, 1147995), (180, 1096973), (194, 1017810), (215, 918396), (258, 765330), (263, 750780), (291, 678540), (387, 510220), (388, 508905), (430, 459198), (485, 407124), (516, 382665), (526, 375390), (582, 339270), (645, 306132), (774, 255110), (789, 250260), (860, 229599), (873, 226180), (970, 203562), (1052, 187695), (1164, 169635), (1290, 153066), (1315, 150156), (1455, 135708), (1548, 127555), (1578, 125130), (1746, 113090), (1935, 102044), (1940, 101781), (2367, 83420), (2580, 76533), (2630, 75078), (2910, 67854), (3156, 62565), (3492, 56545), (3870, 51022), (3945, 50052), (4171, 47340), (4365, 45236), (4734, 41710), (5260, 37539), (5820, 33927), (7740, 25511), (7890, 25026), (8342, 23670), (8730, 22618), (9468, 20855), (11309, 17460), (11835, 16684), (12513, 15780)]