8400560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{2143}}^1$

素因数の和:2170

約数の個数: 60

約数和(自身を含む): 22730688

約数和(自身を除く): 14330128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 2143, 3920, 4286, 8572, 10715, 15001, 17144, 21430, 30002, 34288, 42860, 60004, 75005, 85720, 105007, 120008, 150010, 171440, 210014, 240016, 300020, 420028, 525035, 600040, 840056, 1050070, 1200080, 1680112, 2100140, 4200280, 8400560]

約数ペア:

[(1, 8400560), (2, 4200280), (4, 2100140), (5, 1680112), (7, 1200080), (8, 1050070), (10, 840056), (14, 600040), (16, 525035), (20, 420028), (28, 300020), (35, 240016), (40, 210014), (49, 171440), (56, 150010), (70, 120008), (80, 105007), (98, 85720), (112, 75005), (140, 60004), (196, 42860), (245, 34288), (280, 30002), (392, 21430), (490, 17144), (560, 15001), (784, 10715), (980, 8572), (1960, 4286), (2143, 3920)]