9921700

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2111}}^1$

素因数の和:2172

約数の個数: 36

約数和(自身を含む): 21998592

約数和(自身を除く): 12076892

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2111, 2350, 4222, 4700, 8444, 10555, 21110, 42220, 52775, 99217, 105550, 198434, 211100, 396868, 496085, 992170, 1984340, 2480425, 4960850, 9921700]

約数ペア:

[(1, 9921700), (2, 4960850), (4, 2480425), (5, 1984340), (10, 992170), (20, 496085), (25, 396868), (47, 211100), (50, 198434), (94, 105550), (100, 99217), (188, 52775), (235, 42220), (470, 21110), (940, 10555), (1175, 8444), (2111, 4700), (2350, 4222)]