8786260

素因数分解:

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

素因数の和:760

約数の個数: 48

約数和(自身を含む): 21337344

約数和(自身を除く): 12551084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 647, 679, 970, 1294, 1358, 1940, 2588, 2716, 3235, 3395, 4529, 6470, 6790, 9058, 12940, 13580, 18116, 22645, 45290, 62759, 90580, 125518, 251036, 313795, 439313, 627590, 878626, 1255180, 1757252, 2196565, 4393130, 8786260]

約数ペア:

[(1, 8786260), (2, 4393130), (4, 2196565), (5, 1757252), (7, 1255180), (10, 878626), (14, 627590), (20, 439313), (28, 313795), (35, 251036), (70, 125518), (97, 90580), (140, 62759), (194, 45290), (388, 22645), (485, 18116), (647, 13580), (679, 12940), (970, 9058), (1294, 6790), (1358, 6470), (1940, 4529), (2588, 3395), (2716, 3235)]