252140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1801}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 605472

約数和(自身を除く): 353332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1801, 3602, 7204, 9005, 12607, 18010, 25214, 36020, 50428, 63035, 126070, 252140]

約数ペア:

[(1, 252140), (2, 126070), (4, 63035), (5, 50428), (7, 36020), (10, 25214), (14, 18010), (20, 12607), (28, 9005), (35, 7204), (70, 3602), (140, 1801)]