1389975550

素因数分解:

$2^1\times 5^2\times {\mathrm{2539}}^1\times {\mathrm{10949}}^1$

素因数の和:13500

約数の個数: 24

約数和(自身を含む): 2586609000

約数和(自身を除く): 1196633450

約数列:

[1, 2, 5, 10, 25, 50, 2539, 5078, 10949, 12695, 21898, 25390, 54745, 63475, 109490, 126950, 273725, 547450, 27799511, 55599022, 138997555, 277995110, 694987775, 1389975550]

約数ペア:

[(1, 1389975550), (2, 694987775), (5, 277995110), (10, 138997555), (25, 55599022), (50, 27799511), (2539, 547450), (5078, 273725), (10949, 126950), (12695, 109490), (21898, 63475), (25390, 54745)]