131793900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:768

約数の個数: 144

約数和(自身を含む): 440971776

約数和(自身を除く): 309177876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 97, 100, 105, 140, 150, 175, 194, 210, 291, 300, 350, 388, 420, 485, 525, 582, 647, 679, 700, 970, 1050, 1164, 1294, 1358, 1455, 1940, 1941, 2037, 2100, 2425, 2588, 2716, 2910, 3235, 3395, 3882, 4074, 4529, 4850, 5820, 6470, 6790, 7275, 7764, 8148, 9058, 9700, 9705, 10185, 12940, 13580, 13587, 14550, 16175, 16975, 18116, 19410, 20370, 22645, 27174, 29100, 32350, 33950, 38820, 40740, 45290, 48525, 50925, 54348, 62759, 64700, 67900, 67935, 90580, 97050, 101850, 113225, 125518, 135870, 188277, 194100, 203700, 226450, 251036, 271740, 313795, 339675, 376554, 439313, 452900, 627590, 679350, 753108, 878626, 941385, 1255180, 1317939, 1358700, 1568975, 1757252, 1882770, 2196565, 2635878, 3137950, 3765540, 4393130, 4706925, 5271756, 6275900, 6589695, 8786260, 9413850, 10982825, 13179390, 18827700, 21965650, 26358780, 32948475, 43931300, 65896950, 131793900]

約数ペア:

[(1, 131793900), (2, 65896950), (3, 43931300), (4, 32948475), (5, 26358780), (6, 21965650), (7, 18827700), (10, 13179390), (12, 10982825), (14, 9413850), (15, 8786260), (20, 6589695), (21, 6275900), (25, 5271756), (28, 4706925), (30, 4393130), (35, 3765540), (42, 3137950), (50, 2635878), (60, 2196565), (70, 1882770), (75, 1757252), (84, 1568975), (97, 1358700), (100, 1317939), (105, 1255180), (140, 941385), (150, 878626), (175, 753108), (194, 679350), (210, 627590), (291, 452900), (300, 439313), (350, 376554), (388, 339675), (420, 313795), (485, 271740), (525, 251036), (582, 226450), (647, 203700), (679, 194100), (700, 188277), (970, 135870), (1050, 125518), (1164, 113225), (1294, 101850), (1358, 97050), (1455, 90580), (1940, 67935), (1941, 67900), (2037, 64700), (2100, 62759), (2425, 54348), (2588, 50925), (2716, 48525), (2910, 45290), (3235, 40740), (3395, 38820), (3882, 33950), (4074, 32350), (4529, 29100), (4850, 27174), (5820, 22645), (6470, 20370), (6790, 19410), (7275, 18116), (7764, 16975), (8148, 16175), (9058, 14550), (9700, 13587), (9705, 13580), (10185, 12940)]