128220700

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{27281}}^1$

素因数の和:27342

約数の個数: 36

約数和(自身を含む): 284169312

約数和(自身を除く): 155948612

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4700, 27281, 54562, 109124, 136405, 272810, 545620, 682025, 1282207, 1364050, 2564414, 2728100, 5128828, 6411035, 12822070, 25644140, 32055175, 64110350, 128220700]

約数ペア:

[(1, 128220700), (2, 64110350), (4, 32055175), (5, 25644140), (10, 12822070), (20, 6411035), (25, 5128828), (47, 2728100), (50, 2564414), (94, 1364050), (100, 1282207), (188, 682025), (235, 545620), (470, 272810), (940, 136405), (1175, 109124), (2350, 54562), (4700, 27281)]