2489974540

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{297133}}^1$

素因数の和:297561

約数の個数: 24

約数和(自身を含む): 5241443760

約数和(自身を除く): 2751469220

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 297133, 594266, 1188532, 1485665, 2971330, 5942660, 124498727, 248997454, 497994908, 622493635, 1244987270, 2489974540]

約数ペア:

[(1, 2489974540), (2, 1244987270), (4, 622493635), (5, 497994908), (10, 248997454), (20, 124498727), (419, 5942660), (838, 2971330), (1676, 1485665), (2095, 1188532), (4190, 594266), (8380, 297133)]