74578280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{266351}}^1$

素因数の和:266369

約数の個数: 32

約数和(自身を含む): 191773440

約数和(自身を除く): 117195160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 266351, 532702, 1065404, 1331755, 1864457, 2130808, 2663510, 3728914, 5327020, 7457828, 9322285, 10654040, 14915656, 18644570, 37289140, 74578280]

約数ペア:

[(1, 74578280), (2, 37289140), (4, 18644570), (5, 14915656), (7, 10654040), (8, 9322285), (10, 7457828), (14, 5327020), (20, 3728914), (28, 2663510), (35, 2130808), (40, 1864457), (56, 1331755), (70, 1065404), (140, 532702), (280, 266351)]