76401640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{272863}}^1$

素因数の和:272881

約数の個数: 32

約数和(自身を含む): 196462080

約数和(自身を除く): 120060440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 272863, 545726, 1091452, 1364315, 1910041, 2182904, 2728630, 3820082, 5457260, 7640164, 9550205, 10914520, 15280328, 19100410, 38200820, 76401640]

約数ペア:

[(1, 76401640), (2, 38200820), (4, 19100410), (5, 15280328), (7, 10914520), (8, 9550205), (10, 7640164), (14, 5457260), (20, 3820082), (28, 2728630), (35, 2182904), (40, 1910041), (56, 1364315), (70, 1091452), (140, 545726), (280, 272863)]