229747480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{80897}}^1$

素因数の和:80979

約数の個数: 32

約数和(自身を含む): 524219040

約数和(自身を除く): 294471560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 80897, 161794, 323588, 404485, 647176, 808970, 1617940, 3235880, 5743687, 11487374, 22974748, 28718435, 45949496, 57436870, 114873740, 229747480]

約数ペア:

[(1, 229747480), (2, 114873740), (4, 57436870), (5, 45949496), (8, 28718435), (10, 22974748), (20, 11487374), (40, 5743687), (71, 3235880), (142, 1617940), (284, 808970), (355, 647176), (568, 404485), (710, 323588), (1420, 161794), (2840, 80897)]