2019571820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1303}}^1\times {\mathrm{11071}}^1$

素因数の和:12390

約数の個数: 48

約数和(自身を含む): 4851130368

約数和(自身を除く): 2831558548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1303, 2606, 5212, 6515, 9121, 11071, 13030, 18242, 22142, 26060, 36484, 44284, 45605, 55355, 77497, 91210, 110710, 154994, 182420, 221420, 309988, 387485, 774970, 1549940, 14425513, 28851026, 57702052, 72127565, 100978591, 144255130, 201957182, 288510260, 403914364, 504892955, 1009785910, 2019571820]

約数ペア:

[(1, 2019571820), (2, 1009785910), (4, 504892955), (5, 403914364), (7, 288510260), (10, 201957182), (14, 144255130), (20, 100978591), (28, 72127565), (35, 57702052), (70, 28851026), (140, 14425513), (1303, 1549940), (2606, 774970), (5212, 387485), (6515, 309988), (9121, 221420), (11071, 182420), (13030, 154994), (18242, 110710), (22142, 91210), (26060, 77497), (36484, 55355), (44284, 45605)]