2018991730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{65701}}^1$

素因数の和:66154

約数の個数: 32

約数和(自身を含む): 4162878720

約数和(自身を除く): 2143886990

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 439, 878, 2195, 3073, 4390, 6146, 15365, 30730, 65701, 131402, 328505, 459907, 657010, 919814, 2299535, 4599070, 28842739, 57685478, 144213695, 201899173, 288427390, 403798346, 1009495865, 2018991730]

約数ペア:

[(1, 2018991730), (2, 1009495865), (5, 403798346), (7, 288427390), (10, 201899173), (14, 144213695), (35, 57685478), (70, 28842739), (439, 4599070), (878, 2299535), (2195, 919814), (3073, 657010), (4390, 459907), (6146, 328505), (15365, 131402), (30730, 65701)]