387446780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2767477}}^1$

素因数の和:2767493

約数の個数: 24

約数和(自身を含む): 929872608

約数和(自身を除く): 542425828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2767477, 5534954, 11069908, 13837385, 19372339, 27674770, 38744678, 55349540, 77489356, 96861695, 193723390, 387446780]

約数ペア:

[(1, 387446780), (2, 193723390), (4, 96861695), (5, 77489356), (7, 55349540), (10, 38744678), (14, 27674770), (20, 19372339), (28, 13837385), (35, 11069908), (70, 5534954), (140, 2767477)]