2019248860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{13627}}^1$

素因数の和:13906

約数の個数: 48

約数和(自身を含む): 4395847680

約数和(自身を除く): 2376598820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 239, 310, 478, 620, 956, 1195, 2390, 4780, 7409, 13627, 14818, 27254, 29636, 37045, 54508, 68135, 74090, 136270, 148180, 272540, 422437, 844874, 1689748, 2112185, 3256853, 4224370, 6513706, 8448740, 13027412, 16284265, 32568530, 65137060, 100962443, 201924886, 403849772, 504812215, 1009624430, 2019248860]

約数ペア:

[(1, 2019248860), (2, 1009624430), (4, 504812215), (5, 403849772), (10, 201924886), (20, 100962443), (31, 65137060), (62, 32568530), (124, 16284265), (155, 13027412), (239, 8448740), (310, 6513706), (478, 4224370), (620, 3256853), (956, 2112185), (1195, 1689748), (2390, 844874), (4780, 422437), (7409, 272540), (13627, 148180), (14818, 136270), (27254, 74090), (29636, 68135), (37045, 54508)]