129343600

素因数分解:

$2^4\times 5^2\times {\mathrm{323359}}^1$

素因数の和:323377

約数の個数: 30

約数和(自身を含む): 310748960

約数和(自身を除く): 181405360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 323359, 646718, 1293436, 1616795, 2586872, 3233590, 5173744, 6467180, 8083975, 12934360, 16167950, 25868720, 32335900, 64671800, 129343600]

約数ペア:

[(1, 129343600), (2, 64671800), (4, 32335900), (5, 25868720), (8, 16167950), (10, 12934360), (16, 8083975), (20, 6467180), (25, 5173744), (40, 3233590), (50, 2586872), (80, 1616795), (100, 1293436), (200, 646718), (400, 323359)]