317825380

素因数分解:

$2^2\times 5^1\times {\mathrm{3917}}^1\times {\mathrm{4057}}^1$

素因数の和:7983

約数の個数: 24

約数和(自身を含む): 667768248

約数和(自身を除く): 349942868

約数列:

[1, 2, 4, 5, 10, 20, 3917, 4057, 7834, 8114, 15668, 16228, 19585, 20285, 39170, 40570, 78340, 81140, 15891269, 31782538, 63565076, 79456345, 158912690, 317825380]

約数ペア:

[(1, 317825380), (2, 158912690), (4, 79456345), (5, 63565076), (10, 31782538), (20, 15891269), (3917, 81140), (4057, 78340), (7834, 40570), (8114, 39170), (15668, 20285), (16228, 19585)]