1988210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28403}}^1$

素因数の和:28417

約数の個数: 16

約数和(自身を含む): 4090176

約数和(自身を除く): 2101966

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28403, 56806, 142015, 198821, 284030, 397642, 994105, 1988210]

約数ペア:

[(1, 1988210), (2, 994105), (5, 397642), (7, 284030), (10, 198821), (14, 142015), (35, 56806), (70, 28403)]