194951480

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{26927}}^1$

素因数の和:27119

約数の個数: 32

約数和(自身を含む): 441080640

約数和(自身を除く): 246129160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 26927, 53854, 107708, 134635, 215416, 269270, 538540, 1077080, 4873787, 9747574, 19495148, 24368935, 38990296, 48737870, 97475740, 194951480]

約数ペア:

[(1, 194951480), (2, 97475740), (4, 48737870), (5, 38990296), (8, 24368935), (10, 19495148), (20, 9747574), (40, 4873787), (181, 1077080), (362, 538540), (724, 269270), (905, 215416), (1448, 134635), (1810, 107708), (3620, 53854), (7240, 26927)]