2520003388

素因数分解:

$2^2\times 7^1\times {\mathrm{90000121}}^1$

素因数の和:90000132

約数の個数: 12

約数和(自身を含む): 5040006832

約数和(自身を除く): 2520003444

約数列:

[1, 2, 4, 7, 14, 28, 90000121, 180000242, 360000484, 630000847, 1260001694, 2520003388]

約数ペア:

[(1, 2520003388), (2, 1260001694), (4, 630000847), (7, 360000484), (14, 180000242), (28, 90000121)]