128757400

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{8819}}^1$

素因数の和:8908

約数の個数: 48

約数和(自身を含む): 303496200

約数和(自身を除く): 174738800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 200, 292, 365, 584, 730, 1460, 1825, 2920, 3650, 7300, 8819, 14600, 17638, 35276, 44095, 70552, 88190, 176380, 220475, 352760, 440950, 643787, 881900, 1287574, 1763800, 2575148, 3218935, 5150296, 6437870, 12875740, 16094675, 25751480, 32189350, 64378700, 128757400]

約数ペア:

[(1, 128757400), (2, 64378700), (4, 32189350), (5, 25751480), (8, 16094675), (10, 12875740), (20, 6437870), (25, 5150296), (40, 3218935), (50, 2575148), (73, 1763800), (100, 1287574), (146, 881900), (200, 643787), (292, 440950), (365, 352760), (584, 220475), (730, 176380), (1460, 88190), (1825, 70552), (2920, 44095), (3650, 35276), (7300, 17638), (8819, 14600)]