28000210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1487}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 57853440

約数和(自身を除く): 29853230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 1345, 1487, 1883, 2690, 2974, 3766, 7435, 9415, 10409, 14870, 18830, 20818, 52045, 104090, 400003, 800006, 2000015, 2800021, 4000030, 5600042, 14000105, 28000210]

約数ペア:

[(1, 28000210), (2, 14000105), (5, 5600042), (7, 4000030), (10, 2800021), (14, 2000015), (35, 800006), (70, 400003), (269, 104090), (538, 52045), (1345, 20818), (1487, 18830), (1883, 14870), (2690, 10409), (2974, 9415), (3766, 7435)]