28078290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{311981}}^1$

素因数の和:311994

約数の個数: 24

約数和(自身を含む): 73003788

約数和(自身を除く): 44925498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311981, 623962, 935943, 1559905, 1871886, 2807829, 3119810, 4679715, 5615658, 9359430, 14039145, 28078290]

約数ペア:

[(1, 28078290), (2, 14039145), (3, 9359430), (5, 5615658), (6, 4679715), (9, 3119810), (10, 2807829), (15, 1871886), (18, 1559905), (30, 935943), (45, 623962), (90, 311981)]