209355910

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{53819}}^1$

素因数の和:54215

約数の個数: 16

約数和(自身を含む): 377816400

約数和(自身を除く): 168460490

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 53819, 107638, 269095, 538190, 20935591, 41871182, 104677955, 209355910]

約数ペア:

[(1, 209355910), (2, 104677955), (5, 41871182), (10, 20935591), (389, 538190), (778, 269095), (1945, 107638), (3890, 53819)]