1487806780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{14887}}^1$

素因数の和:15178

約数の個数: 48

約数和(自身を含む): 3301562880

約数和(自身を除く): 1813756100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 263, 380, 526, 1052, 1315, 2630, 4997, 5260, 9994, 14887, 19988, 24985, 29774, 49970, 59548, 74435, 99940, 148870, 282853, 297740, 565706, 1131412, 1414265, 2828530, 3915281, 5657060, 7830562, 15661124, 19576405, 39152810, 74390339, 78305620, 148780678, 297561356, 371951695, 743903390, 1487806780]

約数ペア:

[(1, 1487806780), (2, 743903390), (4, 371951695), (5, 297561356), (10, 148780678), (19, 78305620), (20, 74390339), (38, 39152810), (76, 19576405), (95, 15661124), (190, 7830562), (263, 5657060), (380, 3915281), (526, 2828530), (1052, 1414265), (1315, 1131412), (2630, 565706), (4997, 297740), (5260, 282853), (9994, 148870), (14887, 99940), (19988, 74435), (24985, 59548), (29774, 49970)]