1931347740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21191}}^1$

素因数の和:21248

約数の個数: 144

約数和(自身を含む): 6493906944

約数和(自身を除く): 4562559204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2940, 3038, 3255, 4340, 4557, 6076, 6510, 7595, 9114, 13020, 15190, 18228, 21191, 22785, 30380, 42382, 45570, 63573, 84764, 91140, 105955, 127146, 148337, 211910, 254292, 296674, 317865, 423820, 445011, 593348, 635730, 656921, 741685, 890022, 1038359, 1271460, 1313842, 1483370, 1780044, 1970763, 2076718, 2225055, 2627684, 2966740, 3115077, 3284605, 3941526, 4153436, 4450110, 4598447, 5191795, 6230154, 6569210, 7883052, 8900220, 9196894, 9853815, 10383590, 12460308, 13138420, 13795341, 15575385, 18393788, 19707630, 20767180, 22992235, 27590682, 31150770, 32189129, 39415260, 45984470, 55181364, 62301540, 64378258, 68976705, 91968940, 96567387, 128756516, 137953410, 160945645, 193134774, 275906820, 321891290, 386269548, 482836935, 643782580, 965673870, 1931347740]

約数ペア:

[(1, 1931347740), (2, 965673870), (3, 643782580), (4, 482836935), (5, 386269548), (6, 321891290), (7, 275906820), (10, 193134774), (12, 160945645), (14, 137953410), (15, 128756516), (20, 96567387), (21, 91968940), (28, 68976705), (30, 64378258), (31, 62301540), (35, 55181364), (42, 45984470), (49, 39415260), (60, 32189129), (62, 31150770), (70, 27590682), (84, 22992235), (93, 20767180), (98, 19707630), (105, 18393788), (124, 15575385), (140, 13795341), (147, 13138420), (155, 12460308), (186, 10383590), (196, 9853815), (210, 9196894), (217, 8900220), (245, 7883052), (294, 6569210), (310, 6230154), (372, 5191795), (420, 4598447), (434, 4450110), (465, 4153436), (490, 3941526), (588, 3284605), (620, 3115077), (651, 2966740), (735, 2627684), (868, 2225055), (930, 2076718), (980, 1970763), (1085, 1780044), (1302, 1483370), (1470, 1313842), (1519, 1271460), (1860, 1038359), (2170, 890022), (2604, 741685), (2940, 656921), (3038, 635730), (3255, 593348), (4340, 445011), (4557, 423820), (6076, 317865), (6510, 296674), (7595, 254292), (9114, 211910), (13020, 148337), (15190, 127146), (18228, 105955), (21191, 91140), (22785, 84764), (30380, 63573), (42382, 45570)]