191889050

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 364228920

約数和(自身を除く): 172339870

約数列:

[1, 2, 5, 10, 25, 50, 109, 137, 218, 257, 274, 514, 545, 685, 1090, 1285, 1370, 2570, 2725, 3425, 5450, 6425, 6850, 12850, 14933, 28013, 29866, 35209, 56026, 70418, 74665, 140065, 149330, 176045, 280130, 352090, 373325, 700325, 746650, 880225, 1400650, 1760450, 3837781, 7675562, 19188905, 38377810, 95944525, 191889050]

約数ペア:

[(1, 191889050), (2, 95944525), (5, 38377810), (10, 19188905), (25, 7675562), (50, 3837781), (109, 1760450), (137, 1400650), (218, 880225), (257, 746650), (274, 700325), (514, 373325), (545, 352090), (685, 280130), (1090, 176045), (1285, 149330), (1370, 140065), (2570, 74665), (2725, 70418), (3425, 56026), (5450, 35209), (6425, 29866), (6850, 28013), (12850, 14933)]