1225101140

素因数分解:

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

素因数の和:562091

約数の個数: 24

約数和(自身を含む): 2596319880

約数和(自身を除く): 1371218740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 561973, 1123946, 2247892, 2809865, 5619730, 11239460, 61255057, 122510114, 245020228, 306275285, 612550570, 1225101140]

約数ペア:

[(1, 1225101140), (2, 612550570), (4, 306275285), (5, 245020228), (10, 122510114), (20, 61255057), (109, 11239460), (218, 5619730), (436, 2809865), (545, 2247892), (1090, 1123946), (2180, 561973)]