73881640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263863}}^1$

素因数の和:263881

約数の個数: 32

約数和(自身を含む): 189982080

約数和(自身を除く): 116100440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 263863, 527726, 1055452, 1319315, 1847041, 2110904, 2638630, 3694082, 5277260, 7388164, 9235205, 10554520, 14776328, 18470410, 36940820, 73881640]

約数ペア:

[(1, 73881640), (2, 36940820), (4, 18470410), (5, 14776328), (7, 10554520), (8, 9235205), (10, 7388164), (14, 5277260), (20, 3694082), (28, 2638630), (35, 2110904), (40, 1847041), (56, 1319315), (70, 1055452), (140, 527726), (280, 263863)]