56400400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{20143}}^1$

素因数の和:20168

約数の個数: 60

約数和(自身を含む): 154867072

約数和(自身を除く): 98466672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 20143, 40286, 80572, 100715, 141001, 161144, 201430, 282002, 322288, 402860, 503575, 564004, 705005, 805720, 1007150, 1128008, 1410010, 1611440, 2014300, 2256016, 2820020, 3525025, 4028600, 5640040, 7050050, 8057200, 11280080, 14100100, 28200200, 56400400]

約数ペア:

[(1, 56400400), (2, 28200200), (4, 14100100), (5, 11280080), (7, 8057200), (8, 7050050), (10, 5640040), (14, 4028600), (16, 3525025), (20, 2820020), (25, 2256016), (28, 2014300), (35, 1611440), (40, 1410010), (50, 1128008), (56, 1007150), (70, 805720), (80, 705005), (100, 564004), (112, 503575), (140, 402860), (175, 322288), (200, 282002), (280, 201430), (350, 161144), (400, 141001), (560, 100715), (700, 80572), (1400, 40286), (2800, 20143)]