30771440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54949}}^1$

素因数の和:54969

約数の個数: 40

約数和(自身を含む): 81765600

約数和(自身を除く): 50994160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54949, 109898, 219796, 274745, 384643, 439592, 549490, 769286, 879184, 1098980, 1538572, 1923215, 2197960, 3077144, 3846430, 4395920, 6154288, 7692860, 15385720, 30771440]

約数ペア:

[(1, 30771440), (2, 15385720), (4, 7692860), (5, 6154288), (7, 4395920), (8, 3846430), (10, 3077144), (14, 2197960), (16, 1923215), (20, 1538572), (28, 1098980), (35, 879184), (40, 769286), (56, 549490), (70, 439592), (80, 384643), (112, 274745), (140, 219796), (280, 109898), (560, 54949)]