545440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{487}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 1475712

約数和(自身を除く): 930272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 487, 560, 974, 1120, 1948, 2435, 3409, 3896, 4870, 6818, 7792, 9740, 13636, 15584, 17045, 19480, 27272, 34090, 38960, 54544, 68180, 77920, 109088, 136360, 272720, 545440]

約数ペア:

[(1, 545440), (2, 272720), (4, 136360), (5, 109088), (7, 77920), (8, 68180), (10, 54544), (14, 38960), (16, 34090), (20, 27272), (28, 19480), (32, 17045), (35, 15584), (40, 13636), (56, 9740), (70, 7792), (80, 6818), (112, 4870), (140, 3896), (160, 3409), (224, 2435), (280, 1948), (487, 1120), (560, 974)]