156288940

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{28211}}^1$

素因数の和:28497

約数の個数: 24

約数和(自身を含む): 329403312

約数和(自身を除く): 173114372

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 28211, 56422, 112844, 141055, 282110, 564220, 7814447, 15628894, 31257788, 39072235, 78144470, 156288940]

約数ペア:

[(1, 156288940), (2, 78144470), (4, 39072235), (5, 31257788), (10, 15628894), (20, 7814447), (277, 564220), (554, 282110), (1108, 141055), (1385, 112844), (2770, 56422), (5540, 28211)]