78608900

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{4073}}^1$

素因数の和:4280

約数の個数: 36

約数和(自身を含む): 171507252

約数和(自身を除く): 92898352

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1930, 3860, 4073, 4825, 8146, 9650, 16292, 19300, 20365, 40730, 81460, 101825, 203650, 407300, 786089, 1572178, 3144356, 3930445, 7860890, 15721780, 19652225, 39304450, 78608900]

約数ペア:

[(1, 78608900), (2, 39304450), (4, 19652225), (5, 15721780), (10, 7860890), (20, 3930445), (25, 3144356), (50, 1572178), (100, 786089), (193, 407300), (386, 203650), (772, 101825), (965, 81460), (1930, 40730), (3860, 20365), (4073, 19300), (4825, 16292), (8146, 9650)]