2450202280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{561973}}^1$

素因数の和:562093

約数の個数: 32

約数和(自身を含む): 5563542600

約数和(自身を除く): 3113340320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 561973, 1123946, 2247892, 2809865, 4495784, 5619730, 11239460, 22478920, 61255057, 122510114, 245020228, 306275285, 490040456, 612550570, 1225101140, 2450202280]

約数ペア:

[(1, 2450202280), (2, 1225101140), (4, 612550570), (5, 490040456), (8, 306275285), (10, 245020228), (20, 122510114), (40, 61255057), (109, 22478920), (218, 11239460), (436, 5619730), (545, 4495784), (872, 2809865), (1090, 2247892), (2180, 1123946), (4360, 561973)]