490620520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{72577}}^1$

素因数の和:72614

約数の個数: 48

約数和(自身を含む): 1195359660

約数和(自身を除く): 704739140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 72577, 145154, 290308, 362885, 580616, 725770, 943501, 1451540, 1887002, 2903080, 3774004, 4717505, 7548008, 9435010, 12265513, 18870020, 24531026, 37740040, 49062052, 61327565, 98124104, 122655130, 245310260, 490620520]

約数ペア:

[(1, 490620520), (2, 245310260), (4, 122655130), (5, 98124104), (8, 61327565), (10, 49062052), (13, 37740040), (20, 24531026), (26, 18870020), (40, 12265513), (52, 9435010), (65, 7548008), (104, 4717505), (130, 3774004), (169, 2903080), (260, 1887002), (338, 1451540), (520, 943501), (676, 725770), (845, 580616), (1352, 362885), (1690, 290308), (3380, 145154), (6760, 72577)]