7140280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{3643}}^1$

素因数の和:3668

約数の個数: 48

約数和(自身を含む): 18693720

約数和(自身を除く): 11553440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 3643, 7286, 14572, 18215, 25501, 29144, 36430, 51002, 72860, 102004, 127505, 145720, 178507, 204008, 255010, 357014, 510020, 714028, 892535, 1020040, 1428056, 1785070, 3570140, 7140280]

約数ペア:

[(1, 7140280), (2, 3570140), (4, 1785070), (5, 1428056), (7, 1020040), (8, 892535), (10, 714028), (14, 510020), (20, 357014), (28, 255010), (35, 204008), (40, 178507), (49, 145720), (56, 127505), (70, 102004), (98, 72860), (140, 51002), (196, 36430), (245, 29144), (280, 25501), (392, 18215), (490, 14572), (980, 7286), (1960, 3643)]