30189400

素因数分解:

$2^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{557}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 70575840

約数和(自身を除く): 40386440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 271, 542, 557, 1084, 1114, 1355, 2168, 2228, 2710, 2785, 4456, 5420, 5570, 6775, 10840, 11140, 13550, 13925, 22280, 27100, 27850, 54200, 55700, 111400, 150947, 301894, 603788, 754735, 1207576, 1509470, 3018940, 3773675, 6037880, 7547350, 15094700, 30189400]

約数ペア:

[(1, 30189400), (2, 15094700), (4, 7547350), (5, 6037880), (8, 3773675), (10, 3018940), (20, 1509470), (25, 1207576), (40, 754735), (50, 603788), (100, 301894), (200, 150947), (271, 111400), (542, 55700), (557, 54200), (1084, 27850), (1114, 27100), (1355, 22280), (2168, 13925), (2228, 13550), (2710, 11140), (2785, 10840), (4456, 6775), (5420, 5570)]