1489592860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10639949}}^1$

素因数の和:10639965

約数の個数: 24

約数和(自身を含む): 3575023200

約数和(自身を除く): 2085430340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10639949, 21279898, 42559796, 53199745, 74479643, 106399490, 148959286, 212798980, 297918572, 372398215, 744796430, 1489592860]

約数ペア:

[(1, 1489592860), (2, 744796430), (4, 372398215), (5, 297918572), (7, 212798980), (10, 148959286), (14, 106399490), (20, 74479643), (28, 53199745), (35, 42559796), (70, 21279898), (140, 10639949)]