28928600

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1327}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 67927200

約数和(自身を除く): 38998600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 1090, 1327, 2180, 2654, 2725, 4360, 5308, 5450, 6635, 10616, 10900, 13270, 21800, 26540, 33175, 53080, 66350, 132700, 144643, 265400, 289286, 578572, 723215, 1157144, 1446430, 2892860, 3616075, 5785720, 7232150, 14464300, 28928600]

約数ペア:

[(1, 28928600), (2, 14464300), (4, 7232150), (5, 5785720), (8, 3616075), (10, 2892860), (20, 1446430), (25, 1157144), (40, 723215), (50, 578572), (100, 289286), (109, 265400), (200, 144643), (218, 132700), (436, 66350), (545, 53080), (872, 33175), (1090, 26540), (1327, 21800), (2180, 13270), (2654, 10900), (2725, 10616), (4360, 6635), (5308, 5450)]