25217500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 69277824

約数和(自身を除く): 44060324

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 125, 131, 140, 154, 175, 220, 250, 262, 275, 308, 350, 385, 500, 524, 550, 625, 655, 700, 770, 875, 917, 1100, 1250, 1310, 1375, 1441, 1540, 1750, 1834, 1925, 2500, 2620, 2750, 2882, 3275, 3500, 3668, 3850, 4375, 4585, 5500, 5764, 6550, 6875, 7205, 7700, 8750, 9170, 9625, 10087, 13100, 13750, 14410, 16375, 17500, 18340, 19250, 20174, 22925, 27500, 28820, 32750, 36025, 38500, 40348, 45850, 48125, 50435, 65500, 72050, 81875, 91700, 96250, 100870, 114625, 144100, 163750, 180125, 192500, 201740, 229250, 252175, 327500, 360250, 458500, 504350, 573125, 720500, 900625, 1008700, 1146250, 1260875, 1801250, 2292500, 2521750, 3602500, 5043500, 6304375, 12608750, 25217500]

約数ペア:

[(1, 25217500), (2, 12608750), (4, 6304375), (5, 5043500), (7, 3602500), (10, 2521750), (11, 2292500), (14, 1801250), (20, 1260875), (22, 1146250), (25, 1008700), (28, 900625), (35, 720500), (44, 573125), (50, 504350), (55, 458500), (70, 360250), (77, 327500), (100, 252175), (110, 229250), (125, 201740), (131, 192500), (140, 180125), (154, 163750), (175, 144100), (220, 114625), (250, 100870), (262, 96250), (275, 91700), (308, 81875), (350, 72050), (385, 65500), (500, 50435), (524, 48125), (550, 45850), (625, 40348), (655, 38500), (700, 36025), (770, 32750), (875, 28820), (917, 27500), (1100, 22925), (1250, 20174), (1310, 19250), (1375, 18340), (1441, 17500), (1540, 16375), (1750, 14410), (1834, 13750), (1925, 13100), (2500, 10087), (2620, 9625), (2750, 9170), (2882, 8750), (3275, 7700), (3500, 7205), (3668, 6875), (3850, 6550), (4375, 5764), (4585, 5500)]