818532730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1435

約数の個数: 64

約数和(自身を含む): 1607454720

約数和(自身を除く): 788921990

約数列:

[1, 2, 5, 10, 19, 38, 47, 71, 94, 95, 142, 190, 235, 355, 470, 710, 893, 1291, 1349, 1786, 2582, 2698, 3337, 4465, 6455, 6674, 6745, 8930, 12910, 13490, 16685, 24529, 33370, 49058, 60677, 63403, 91661, 121354, 122645, 126806, 183322, 245290, 303385, 317015, 458305, 606770, 634030, 916610, 1152863, 1741559, 2305726, 3483118, 4308067, 5764315, 8616134, 8707795, 11528630, 17415590, 21540335, 43080670, 81853273, 163706546, 409266365, 818532730]

約数ペア:

[(1, 818532730), (2, 409266365), (5, 163706546), (10, 81853273), (19, 43080670), (38, 21540335), (47, 17415590), (71, 11528630), (94, 8707795), (95, 8616134), (142, 5764315), (190, 4308067), (235, 3483118), (355, 2305726), (470, 1741559), (710, 1152863), (893, 916610), (1291, 634030), (1349, 606770), (1786, 458305), (2582, 317015), (2698, 303385), (3337, 245290), (4465, 183322), (6455, 126806), (6674, 122645), (6745, 121354), (8930, 91661), (12910, 63403), (13490, 60677), (16685, 49058), (24529, 33370)]