1379749970

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{276503}}^1$

素因数の和:277009

約数の個数: 16

約数和(自身を含む): 2488536000

約数和(自身を除く): 1108786030

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4990, 276503, 553006, 1382515, 2765030, 137974997, 275949994, 689874985, 1379749970]

約数ペア:

[(1, 1379749970), (2, 689874985), (5, 275949994), (10, 137974997), (499, 2765030), (998, 1382515), (2495, 553006), (4990, 276503)]