273212500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{1987}}^1$

素因数の和:2027

約数の個数: 72

約数和(自身を含む): 652270752

約数和(自身を除く): 379058252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 625, 1100, 1250, 1375, 1987, 2500, 2750, 3125, 3974, 5500, 6250, 6875, 7948, 9935, 12500, 13750, 19870, 21857, 27500, 34375, 39740, 43714, 49675, 68750, 87428, 99350, 109285, 137500, 198700, 218570, 248375, 437140, 496750, 546425, 993500, 1092850, 1241875, 2185700, 2483750, 2732125, 4967500, 5464250, 6209375, 10928500, 12418750, 13660625, 24837500, 27321250, 54642500, 68303125, 136606250, 273212500]

約数ペア:

[(1, 273212500), (2, 136606250), (4, 68303125), (5, 54642500), (10, 27321250), (11, 24837500), (20, 13660625), (22, 12418750), (25, 10928500), (44, 6209375), (50, 5464250), (55, 4967500), (100, 2732125), (110, 2483750), (125, 2185700), (220, 1241875), (250, 1092850), (275, 993500), (500, 546425), (550, 496750), (625, 437140), (1100, 248375), (1250, 218570), (1375, 198700), (1987, 137500), (2500, 109285), (2750, 99350), (3125, 87428), (3974, 68750), (5500, 49675), (6250, 43714), (6875, 39740), (7948, 34375), (9935, 27500), (12500, 21857), (13750, 19870)]