249700000

素因数分解:

$2^5\times 5^5\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 673269408

約数和(自身を除く): 423569408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 227, 250, 275, 352, 400, 440, 454, 500, 550, 625, 800, 880, 908, 1000, 1100, 1135, 1250, 1375, 1760, 1816, 2000, 2200, 2270, 2497, 2500, 2750, 3125, 3632, 4000, 4400, 4540, 4994, 5000, 5500, 5675, 6250, 6875, 7264, 8800, 9080, 9988, 10000, 11000, 11350, 12485, 12500, 13750, 18160, 19976, 20000, 22000, 22700, 24970, 25000, 27500, 28375, 34375, 36320, 39952, 44000, 45400, 49940, 50000, 55000, 56750, 62425, 68750, 79904, 90800, 99880, 100000, 110000, 113500, 124850, 137500, 141875, 181600, 199760, 220000, 227000, 249700, 275000, 283750, 312125, 399520, 454000, 499400, 550000, 567500, 624250, 709375, 908000, 998800, 1100000, 1135000, 1248500, 1418750, 1560625, 1997600, 2270000, 2497000, 2837500, 3121250, 4540000, 4994000, 5675000, 6242500, 7803125, 9988000, 11350000, 12485000, 15606250, 22700000, 24970000, 31212500, 49940000, 62425000, 124850000, 249700000]

約数ペア:

[(1, 249700000), (2, 124850000), (4, 62425000), (5, 49940000), (8, 31212500), (10, 24970000), (11, 22700000), (16, 15606250), (20, 12485000), (22, 11350000), (25, 9988000), (32, 7803125), (40, 6242500), (44, 5675000), (50, 4994000), (55, 4540000), (80, 3121250), (88, 2837500), (100, 2497000), (110, 2270000), (125, 1997600), (160, 1560625), (176, 1418750), (200, 1248500), (220, 1135000), (227, 1100000), (250, 998800), (275, 908000), (352, 709375), (400, 624250), (440, 567500), (454, 550000), (500, 499400), (550, 454000), (625, 399520), (800, 312125), (880, 283750), (908, 275000), (1000, 249700), (1100, 227000), (1135, 220000), (1250, 199760), (1375, 181600), (1760, 141875), (1816, 137500), (2000, 124850), (2200, 113500), (2270, 110000), (2497, 100000), (2500, 99880), (2750, 90800), (3125, 79904), (3632, 68750), (4000, 62425), (4400, 56750), (4540, 55000), (4994, 50000), (5000, 49940), (5500, 45400), (5675, 44000), (6250, 39952), (6875, 36320), (7264, 34375), (8800, 28375), (9080, 27500), (9988, 25000), (10000, 24970), (11000, 22700), (11350, 22000), (12485, 20000), (12500, 19976), (13750, 18160)]