311840

素因数分解:

$2^5\times 5^1\times {\mathrm{1949}}^1$

素因数の和:1964

約数の個数: 24

約数和(自身を含む): 737100

約数和(自身を除く): 425260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1949, 3898, 7796, 9745, 15592, 19490, 31184, 38980, 62368, 77960, 155920, 311840]

約数ペア:

[(1, 311840), (2, 155920), (4, 77960), (5, 62368), (8, 38980), (10, 31184), (16, 19490), (20, 15592), (32, 9745), (40, 7796), (80, 3898), (160, 1949)]