16781030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1533

約数の個数: 48

約数和(自身を含む): 36689760

約数和(自身を除く): 19908730

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1489, 1610, 2254, 2978, 5635, 7445, 10423, 11270, 14890, 20846, 34247, 52115, 68494, 72961, 104230, 145922, 171235, 239729, 342470, 364805, 479458, 729610, 1198645, 1678103, 2397290, 3356206, 8390515, 16781030]

約数ペア:

[(1, 16781030), (2, 8390515), (5, 3356206), (7, 2397290), (10, 1678103), (14, 1198645), (23, 729610), (35, 479458), (46, 364805), (49, 342470), (70, 239729), (98, 171235), (115, 145922), (161, 104230), (230, 72961), (245, 68494), (322, 52115), (490, 34247), (805, 20846), (1127, 14890), (1489, 11270), (1610, 10423), (2254, 7445), (2978, 5635)]