389202280

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{25013}}^1$

素因数の和:25413

約数の個数: 32

約数和(自身を含む): 877991400

約数和(自身を除く): 488789120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 25013, 50026, 100052, 125065, 200104, 250130, 500260, 1000520, 9730057, 19460114, 38920228, 48650285, 77840456, 97300570, 194601140, 389202280]

約数ペア:

[(1, 389202280), (2, 194601140), (4, 97300570), (5, 77840456), (8, 48650285), (10, 38920228), (20, 19460114), (40, 9730057), (389, 1000520), (778, 500260), (1556, 250130), (1945, 200104), (3112, 125065), (3890, 100052), (7780, 50026), (15560, 25013)]