286876280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{135319}}^1$

素因数の和:135383

約数の個数: 32

約数和(自身を含む): 657655200

約数和(自身を除く): 370778920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 135319, 270638, 541276, 676595, 1082552, 1353190, 2706380, 5412760, 7171907, 14343814, 28687628, 35859535, 57375256, 71719070, 143438140, 286876280]

約数ペア:

[(1, 286876280), (2, 143438140), (4, 71719070), (5, 57375256), (8, 35859535), (10, 28687628), (20, 14343814), (40, 7171907), (53, 5412760), (106, 2706380), (212, 1353190), (265, 1082552), (424, 676595), (530, 541276), (1060, 270638), (2120, 135319)]