158915600

素因数分解:

$2^4\times 5^2\times {\mathrm{397289}}^1$

素因数の和:397307

約数の個数: 30

約数和(自身を含む): 381795690

約数和(自身を除く): 222880090

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 397289, 794578, 1589156, 1986445, 3178312, 3972890, 6356624, 7945780, 9932225, 15891560, 19864450, 31783120, 39728900, 79457800, 158915600]

約数ペア:

[(1, 158915600), (2, 79457800), (4, 39728900), (5, 31783120), (8, 19864450), (10, 15891560), (16, 9932225), (20, 7945780), (25, 6356624), (40, 3972890), (50, 3178312), (80, 1986445), (100, 1589156), (200, 794578), (400, 397289)]