661738492780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1\times {\mathrm{930689}}^1$

素因数の和:931258

約数の個数: 48

約数和(自身を含む): 1411581245760

約数和(自身を除く): 749842752980

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 487, 730, 974, 1460, 1948, 2435, 4870, 9740, 35551, 71102, 142204, 177755, 355510, 711020, 930689, 1861378, 3722756, 4653445, 9306890, 18613780, 67940297, 135880594, 271761188, 339701485, 453245543, 679402970, 906491086, 1358805940, 1812982172, 2266227715, 4532455430, 9064910860, 33086924639, 66173849278, 132347698556, 165434623195, 330869246390, 661738492780]

約数ペア:

[(1, 661738492780), (2, 330869246390), (4, 165434623195), (5, 132347698556), (10, 66173849278), (20, 33086924639), (73, 9064910860), (146, 4532455430), (292, 2266227715), (365, 1812982172), (487, 1358805940), (730, 906491086), (974, 679402970), (1460, 453245543), (1948, 339701485), (2435, 271761188), (4870, 135880594), (9740, 67940297), (35551, 18613780), (71102, 9306890), (142204, 4653445), (177755, 3722756), (355510, 1861378), (711020, 930689)]