128260580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53891}}^1$

素因数の和:53924

約数の個数: 48

約数和(自身を含む): 325938816

約数和(自身を除く): 197678236

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 53891, 107782, 215564, 269455, 377237, 538910, 754474, 916147, 1077820, 1508948, 1832294, 1886185, 3664588, 3772370, 4580735, 6413029, 7544740, 9161470, 12826058, 18322940, 25652116, 32065145, 64130290, 128260580]

約数ペア:

[(1, 128260580), (2, 64130290), (4, 32065145), (5, 25652116), (7, 18322940), (10, 12826058), (14, 9161470), (17, 7544740), (20, 6413029), (28, 4580735), (34, 3772370), (35, 3664588), (68, 1886185), (70, 1832294), (85, 1508948), (119, 1077820), (140, 916147), (170, 754474), (238, 538910), (340, 377237), (476, 269455), (595, 215564), (1190, 107782), (2380, 53891)]