42749140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{305351}}^1$

素因数の和:305367

約数の個数: 24

約数和(自身を含む): 102598272

約数和(自身を除く): 59849132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 305351, 610702, 1221404, 1526755, 2137457, 3053510, 4274914, 6107020, 8549828, 10687285, 21374570, 42749140]

約数ペア:

[(1, 42749140), (2, 21374570), (4, 10687285), (5, 8549828), (7, 6107020), (10, 4274914), (14, 3053510), (20, 2137457), (28, 1526755), (35, 1221404), (70, 610702), (140, 305351)]