2878290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31981}}^1$

素因数の和:31994

約数の個数: 24

約数和(自身を含む): 7483788

約数和(自身を除く): 4605498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 31981, 63962, 95943, 159905, 191886, 287829, 319810, 479715, 575658, 959430, 1439145, 2878290]

約数ペア:

[(1, 2878290), (2, 1439145), (3, 959430), (5, 575658), (6, 479715), (9, 319810), (10, 287829), (15, 191886), (18, 159905), (30, 95943), (45, 63962), (90, 31981)]