128538863270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{37549}}^1$

素因数の和:38037

約数の個数: 64

約数和(自身を含む): 249812640000

約数和(自身を除く): 121273776730

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 419, 430, 817, 838, 1634, 2095, 4085, 4190, 7961, 8170, 15922, 18017, 36034, 37549, 39805, 75098, 79610, 90085, 180170, 187745, 342323, 375490, 684646, 713431, 1426862, 1614607, 1711615, 3229214, 3423230, 3567155, 7134310, 8073035, 15733031, 16146070, 30677533, 31466062, 61355066, 78665155, 153387665, 157330310, 298927589, 306775330, 597855178, 676520333, 1353040666, 1494637945, 2989275890, 3382601665, 6765203330, 12853886327, 25707772654, 64269431635, 128538863270]

約数ペア:

[(1, 128538863270), (2, 64269431635), (5, 25707772654), (10, 12853886327), (19, 6765203330), (38, 3382601665), (43, 2989275890), (86, 1494637945), (95, 1353040666), (190, 676520333), (215, 597855178), (419, 306775330), (430, 298927589), (817, 157330310), (838, 153387665), (1634, 78665155), (2095, 61355066), (4085, 31466062), (4190, 30677533), (7961, 16146070), (8170, 15733031), (15922, 8073035), (18017, 7134310), (36034, 3567155), (37549, 3423230), (39805, 3229214), (75098, 1711615), (79610, 1614607), (90085, 1426862), (180170, 713431), (187745, 684646), (342323, 375490)]