87156440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3209}}^1$

素因数の和:3324

約数の個数: 64

約数和(自身を含む): 226497600

約数和(自身を除く): 139341160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3209, 3395, 3880, 5432, 6418, 6790, 12836, 13580, 16045, 22463, 25672, 27160, 32090, 44926, 64180, 89852, 112315, 128360, 179704, 224630, 311273, 449260, 622546, 898520, 1245092, 1556365, 2178911, 2490184, 3112730, 4357822, 6225460, 8715644, 10894555, 12450920, 17431288, 21789110, 43578220, 87156440]

約数ペア:

[(1, 87156440), (2, 43578220), (4, 21789110), (5, 17431288), (7, 12450920), (8, 10894555), (10, 8715644), (14, 6225460), (20, 4357822), (28, 3112730), (35, 2490184), (40, 2178911), (56, 1556365), (70, 1245092), (97, 898520), (140, 622546), (194, 449260), (280, 311273), (388, 224630), (485, 179704), (679, 128360), (776, 112315), (970, 89852), (1358, 64180), (1940, 44926), (2716, 32090), (3209, 27160), (3395, 25672), (3880, 22463), (5432, 16045), (6418, 13580), (6790, 12836)]