2018996780

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1\times {\mathrm{1123}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 4272701664

約数和(自身を除く): 2253704884

約数列:

[1, 2, 4, 5, 10, 20, 241, 373, 482, 746, 964, 1123, 1205, 1492, 1865, 2246, 2410, 3730, 4492, 4820, 5615, 7460, 11230, 22460, 89893, 179786, 270643, 359572, 418879, 449465, 541286, 837758, 898930, 1082572, 1353215, 1675516, 1797860, 2094395, 2706430, 4188790, 5412860, 8377580, 100949839, 201899678, 403799356, 504749195, 1009498390, 2018996780]

約数ペア:

[(1, 2018996780), (2, 1009498390), (4, 504749195), (5, 403799356), (10, 201899678), (20, 100949839), (241, 8377580), (373, 5412860), (482, 4188790), (746, 2706430), (964, 2094395), (1123, 1797860), (1205, 1675516), (1492, 1353215), (1865, 1082572), (2246, 898930), (2410, 837758), (3730, 541286), (4492, 449465), (4820, 418879), (5615, 359572), (7460, 270643), (11230, 179786), (22460, 89893)]