1910020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1949}}^1$

素因数の和:1972

約数の個数: 36

約数和(自身を含む): 4668300

約数和(自身を除く): 2758280

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1949, 3898, 7796, 9745, 13643, 19490, 27286, 38980, 54572, 68215, 95501, 136430, 191002, 272860, 382004, 477505, 955010, 1910020]

約数ペア:

[(1, 1910020), (2, 955010), (4, 477505), (5, 382004), (7, 272860), (10, 191002), (14, 136430), (20, 95501), (28, 68215), (35, 54572), (49, 38980), (70, 27286), (98, 19490), (140, 13643), (196, 9745), (245, 7796), (490, 3898), (980, 1949)]