156668290

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1\times {\mathrm{419}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 285768000

約数和(自身を除く): 129099710

約数列:

[1, 2, 5, 10, 139, 269, 278, 419, 538, 695, 838, 1345, 1390, 2095, 2690, 4190, 37391, 58241, 74782, 112711, 116482, 186955, 225422, 291205, 373910, 563555, 582410, 1127110, 15666829, 31333658, 78334145, 156668290]

約数ペア:

[(1, 156668290), (2, 78334145), (5, 31333658), (10, 15666829), (139, 1127110), (269, 582410), (278, 563555), (419, 373910), (538, 291205), (695, 225422), (838, 186955), (1345, 116482), (1390, 112711), (2095, 74782), (2690, 58241), (4190, 37391)]