90180200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 231012000

約数和(自身を除く): 140831800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 179, 200, 220, 229, 275, 358, 440, 458, 550, 716, 895, 916, 1100, 1145, 1432, 1790, 1832, 1969, 2200, 2290, 2519, 3580, 3938, 4475, 4580, 5038, 5725, 7160, 7876, 8950, 9160, 9845, 10076, 11450, 12595, 15752, 17900, 19690, 20152, 22900, 25190, 35800, 39380, 40991, 45800, 49225, 50380, 62975, 78760, 81982, 98450, 100760, 125950, 163964, 196900, 204955, 251900, 327928, 393800, 409910, 450901, 503800, 819820, 901802, 1024775, 1639640, 1803604, 2049550, 2254505, 3607208, 4099100, 4509010, 8198200, 9018020, 11272525, 18036040, 22545050, 45090100, 90180200]

約数ペア:

[(1, 90180200), (2, 45090100), (4, 22545050), (5, 18036040), (8, 11272525), (10, 9018020), (11, 8198200), (20, 4509010), (22, 4099100), (25, 3607208), (40, 2254505), (44, 2049550), (50, 1803604), (55, 1639640), (88, 1024775), (100, 901802), (110, 819820), (179, 503800), (200, 450901), (220, 409910), (229, 393800), (275, 327928), (358, 251900), (440, 204955), (458, 196900), (550, 163964), (716, 125950), (895, 100760), (916, 98450), (1100, 81982), (1145, 78760), (1432, 62975), (1790, 50380), (1832, 49225), (1969, 45800), (2200, 40991), (2290, 39380), (2519, 35800), (3580, 25190), (3938, 22900), (4475, 20152), (4580, 19690), (5038, 17900), (5725, 15752), (7160, 12595), (7876, 11450), (8950, 10076), (9160, 9845)]