1977990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{9419}}^1$

素因数の和:9436

約数の個数: 32

約数和(自身を含む): 5425920

約数和(自身を除く): 3447930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 9419, 18838, 28257, 47095, 56514, 65933, 94190, 131866, 141285, 197799, 282570, 329665, 395598, 659330, 988995, 1977990]

約数ペア:

[(1, 1977990), (2, 988995), (3, 659330), (5, 395598), (6, 329665), (7, 282570), (10, 197799), (14, 141285), (15, 131866), (21, 94190), (30, 65933), (35, 56514), (42, 47095), (70, 28257), (105, 18838), (210, 9419)]