207898660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{116797}}^1$

素因数の和:116895

約数の個数: 24

約数和(自身を含む): 441496440

約数和(自身を除く): 233597780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 116797, 233594, 467188, 583985, 1167970, 2335940, 10394933, 20789866, 41579732, 51974665, 103949330, 207898660]

約数ペア:

[(1, 207898660), (2, 103949330), (4, 51974665), (5, 41579732), (10, 20789866), (20, 10394933), (89, 2335940), (178, 1167970), (356, 583985), (445, 467188), (890, 233594), (1780, 116797)]