42812840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1429}}^1$

素因数の和:1554

約数の個数: 64

約数和(自身を含む): 111196800

約数和(自身を除く): 68383960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1429, 1498, 2140, 2858, 2996, 3745, 4280, 5716, 5992, 7145, 7490, 10003, 11432, 14290, 14980, 20006, 28580, 29960, 40012, 50015, 57160, 80024, 100030, 152903, 200060, 305806, 400120, 611612, 764515, 1070321, 1223224, 1529030, 2140642, 3058060, 4281284, 5351605, 6116120, 8562568, 10703210, 21406420, 42812840]

約数ペア:

[(1, 42812840), (2, 21406420), (4, 10703210), (5, 8562568), (7, 6116120), (8, 5351605), (10, 4281284), (14, 3058060), (20, 2140642), (28, 1529030), (35, 1223224), (40, 1070321), (56, 764515), (70, 611612), (107, 400120), (140, 305806), (214, 200060), (280, 152903), (428, 100030), (535, 80024), (749, 57160), (856, 50015), (1070, 40012), (1429, 29960), (1498, 28580), (2140, 20006), (2858, 14980), (2996, 14290), (3745, 11432), (4280, 10003), (5716, 7490), (5992, 7145)]