3156440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11273}}^1$

素因数の和:11291

約数の個数: 32

約数和(自身を含む): 8117280

約数和(自身を除く): 4960840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 11273, 22546, 45092, 56365, 78911, 90184, 112730, 157822, 225460, 315644, 394555, 450920, 631288, 789110, 1578220, 3156440]

約数ペア:

[(1, 3156440), (2, 1578220), (4, 789110), (5, 631288), (7, 450920), (8, 394555), (10, 315644), (14, 225460), (20, 157822), (28, 112730), (35, 90184), (40, 78911), (56, 56365), (70, 45092), (140, 22546), (280, 11273)]