2080352990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{311897}}^1$

素因数の和:311956

約数の個数: 32

約数和(自身を含む): 4042198080

約数和(自身を除く): 1961845090

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 1334, 3335, 6670, 311897, 623794, 1559485, 3118970, 7173631, 9045013, 14347262, 18090026, 35868155, 45225065, 71736310, 90450130, 208035299, 416070598, 1040176495, 2080352990]

約数ペア:

[(1, 2080352990), (2, 1040176495), (5, 416070598), (10, 208035299), (23, 90450130), (29, 71736310), (46, 45225065), (58, 35868155), (115, 18090026), (145, 14347262), (230, 9045013), (290, 7173631), (667, 3118970), (1334, 1559485), (3335, 623794), (6670, 311897)]