850820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 1881600

約数和(自身を除く): 1030780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2239, 4478, 8956, 11195, 22390, 42541, 44780, 85082, 170164, 212705, 425410, 850820]

約数ペア:

[(1, 850820), (2, 425410), (4, 212705), (5, 170164), (10, 85082), (19, 44780), (20, 42541), (38, 22390), (76, 11195), (95, 8956), (190, 4478), (380, 2239)]