128456530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{2389}}^1$

素因数の和:2698

約数の個数: 32

約数和(自身を含む): 244353600

約数和(自身を除く): 115897070

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 283, 566, 1415, 2389, 2830, 4778, 5377, 10754, 11945, 23890, 26885, 45391, 53770, 90782, 226955, 453910, 676087, 1352174, 3380435, 6760870, 12845653, 25691306, 64228265, 128456530]

約数ペア:

[(1, 128456530), (2, 64228265), (5, 25691306), (10, 12845653), (19, 6760870), (38, 3380435), (95, 1352174), (190, 676087), (283, 453910), (566, 226955), (1415, 90782), (2389, 53770), (2830, 45391), (4778, 26885), (5377, 23890), (10754, 11945)]