194619980

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{19501}}^1$

素因数の和:20009

約数の個数: 24

約数和(自身を含む): 409542000

約数和(自身を除く): 214922020

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 19501, 39002, 78004, 97505, 195010, 390020, 9730999, 19461998, 38923996, 48654995, 97309990, 194619980]

約数ペア:

[(1, 194619980), (2, 97309990), (4, 48654995), (5, 38923996), (10, 19461998), (20, 9730999), (499, 390020), (998, 195010), (1996, 97505), (2495, 78004), (4990, 39002), (9980, 19501)]