158551390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{2081}}^1$

素因数の和:2508

約数の個数: 32

約数和(自身を含む): 301307040

約数和(自身を除く): 142755650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 401, 802, 2005, 2081, 4010, 4162, 7619, 10405, 15238, 20810, 38095, 39539, 76190, 79078, 197695, 395390, 834481, 1668962, 4172405, 8344810, 15855139, 31710278, 79275695, 158551390]

約数ペア:

[(1, 158551390), (2, 79275695), (5, 31710278), (10, 15855139), (19, 8344810), (38, 4172405), (95, 1668962), (190, 834481), (401, 395390), (802, 197695), (2005, 79078), (2081, 76190), (4010, 39539), (4162, 38095), (7619, 20810), (10405, 15238)]