28238100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 91660800

約数和(自身を除く): 63422700

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 43, 44, 50, 55, 60, 66, 75, 86, 100, 110, 129, 132, 150, 165, 172, 199, 215, 220, 258, 275, 300, 330, 398, 430, 473, 516, 550, 597, 645, 660, 796, 825, 860, 946, 995, 1075, 1100, 1194, 1290, 1419, 1650, 1892, 1990, 2150, 2189, 2365, 2388, 2580, 2838, 2985, 3225, 3300, 3980, 4300, 4378, 4730, 4975, 5676, 5970, 6450, 6567, 7095, 8557, 8756, 9460, 9950, 10945, 11825, 11940, 12900, 13134, 14190, 14925, 17114, 19900, 21890, 23650, 25671, 26268, 28380, 29850, 32835, 34228, 35475, 42785, 43780, 47300, 51342, 54725, 59700, 65670, 70950, 85570, 94127, 102684, 109450, 128355, 131340, 141900, 164175, 171140, 188254, 213925, 218900, 256710, 282381, 328350, 376508, 427850, 470635, 513420, 564762, 641775, 656700, 855700, 941270, 1129524, 1283550, 1411905, 1882540, 2353175, 2567100, 2823810, 4706350, 5647620, 7059525, 9412700, 14119050, 28238100]

約数ペア:

[(1, 28238100), (2, 14119050), (3, 9412700), (4, 7059525), (5, 5647620), (6, 4706350), (10, 2823810), (11, 2567100), (12, 2353175), (15, 1882540), (20, 1411905), (22, 1283550), (25, 1129524), (30, 941270), (33, 855700), (43, 656700), (44, 641775), (50, 564762), (55, 513420), (60, 470635), (66, 427850), (75, 376508), (86, 328350), (100, 282381), (110, 256710), (129, 218900), (132, 213925), (150, 188254), (165, 171140), (172, 164175), (199, 141900), (215, 131340), (220, 128355), (258, 109450), (275, 102684), (300, 94127), (330, 85570), (398, 70950), (430, 65670), (473, 59700), (516, 54725), (550, 51342), (597, 47300), (645, 43780), (660, 42785), (796, 35475), (825, 34228), (860, 32835), (946, 29850), (995, 28380), (1075, 26268), (1100, 25671), (1194, 23650), (1290, 21890), (1419, 19900), (1650, 17114), (1892, 14925), (1990, 14190), (2150, 13134), (2189, 12900), (2365, 11940), (2388, 11825), (2580, 10945), (2838, 9950), (2985, 9460), (3225, 8756), (3300, 8557), (3980, 7095), (4300, 6567), (4378, 6450), (4730, 5970), (4975, 5676)]