4499980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3169}}^1$

素因数の和:3249

約数の個数: 24

約数和(自身を含む): 9586080

約数和(自身を除く): 5086100

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 3169, 6338, 12676, 15845, 31690, 63380, 224999, 449998, 899996, 1124995, 2249990, 4499980]

約数ペア:

[(1, 4499980), (2, 2249990), (4, 1124995), (5, 899996), (10, 449998), (20, 224999), (71, 63380), (142, 31690), (284, 15845), (355, 12676), (710, 6338), (1420, 3169)]