445109620

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{79201}}^1$

素因数の和:79491

約数の個数: 24

約数和(自身を含む): 938068488

約数和(自身を除く): 492958868

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 79201, 158402, 316804, 396005, 792010, 1584020, 22255481, 44510962, 89021924, 111277405, 222554810, 445109620]

約数ペア:

[(1, 445109620), (2, 222554810), (4, 111277405), (5, 89021924), (10, 44510962), (20, 22255481), (281, 1584020), (562, 792010), (1124, 396005), (1405, 316804), (2810, 158402), (5620, 79201)]