208038875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2228

約数の個数: 32

約数和(自身を含む): 287359488

約数和(自身を除く): 79320613

約数列:

[1, 5, 11, 25, 55, 71, 125, 275, 355, 781, 1375, 1775, 2131, 3905, 8875, 10655, 19525, 23441, 53275, 97625, 117205, 151301, 266375, 586025, 756505, 1664311, 2930125, 3782525, 8321555, 18912625, 41607775, 208038875]

約数ペア:

[(1, 208038875), (5, 41607775), (11, 18912625), (25, 8321555), (55, 3782525), (71, 2930125), (125, 1664311), (275, 756505), (355, 586025), (781, 266375), (1375, 151301), (1775, 117205), (2131, 97625), (3905, 53275), (8875, 23441), (10655, 19525)]