3905900

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 8567160

約数和(自身を除く): 4661260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 281, 556, 562, 695, 1124, 1390, 1405, 2780, 2810, 3475, 5620, 6950, 7025, 13900, 14050, 28100, 39059, 78118, 156236, 195295, 390590, 781180, 976475, 1952950, 3905900]

約数ペア:

[(1, 3905900), (2, 1952950), (4, 976475), (5, 781180), (10, 390590), (20, 195295), (25, 156236), (50, 78118), (100, 39059), (139, 28100), (278, 14050), (281, 13900), (556, 7025), (562, 6950), (695, 5620), (1124, 3475), (1390, 2810), (1405, 2780)]