42717990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{203419}}^1$

素因数の和:203436

約数の個数: 32

約数和(自身を含む): 117169920

約数和(自身を除く): 74451930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 203419, 406838, 610257, 1017095, 1220514, 1423933, 2034190, 2847866, 3051285, 4271799, 6102570, 7119665, 8543598, 14239330, 21358995, 42717990]

約数ペア:

[(1, 42717990), (2, 21358995), (3, 14239330), (5, 8543598), (6, 7119665), (7, 6102570), (10, 4271799), (14, 3051285), (15, 2847866), (21, 2034190), (30, 1423933), (35, 1220514), (42, 1017095), (70, 610257), (105, 406838), (210, 203419)]