314727880

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{17923}}^1$

素因数の和:18373

約数の個数: 32

約数和(自身を含む): 709790400

約数和(自身を除く): 395062520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 17560, 17923, 35846, 71692, 89615, 143384, 179230, 358460, 716920, 7868197, 15736394, 31472788, 39340985, 62945576, 78681970, 157363940, 314727880]

約数ペア:

[(1, 314727880), (2, 157363940), (4, 78681970), (5, 62945576), (8, 39340985), (10, 31472788), (20, 15736394), (40, 7868197), (439, 716920), (878, 358460), (1756, 179230), (2195, 143384), (3512, 89615), (4390, 71692), (8780, 35846), (17560, 17923)]