9144400

素因数分解:

$2^4\times 5^2\times {\mathrm{22861}}^1$

素因数の和:22879

約数の個数: 30

約数和(自身を含む): 21970382

約数和(自身を除く): 12825982

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 22861, 45722, 91444, 114305, 182888, 228610, 365776, 457220, 571525, 914440, 1143050, 1828880, 2286100, 4572200, 9144400]

約数ペア:

[(1, 9144400), (2, 4572200), (4, 2286100), (5, 1828880), (8, 1143050), (10, 914440), (16, 571525), (20, 457220), (25, 365776), (40, 228610), (50, 182888), (80, 114305), (100, 91444), (200, 45722), (400, 22861)]