281354380

素因数分解:

$2^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{20903}}^1$

素因数の和:21585

約数の個数: 24

約数和(自身を含む): 591750432

約数和(自身を除く): 310396052

約数列:

[1, 2, 4, 5, 10, 20, 673, 1346, 2692, 3365, 6730, 13460, 20903, 41806, 83612, 104515, 209030, 418060, 14067719, 28135438, 56270876, 70338595, 140677190, 281354380]

約数ペア:

[(1, 281354380), (2, 140677190), (4, 70338595), (5, 56270876), (10, 28135438), (20, 14067719), (673, 418060), (1346, 209030), (2692, 104515), (3365, 83612), (6730, 41806), (13460, 20903)]