28237050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:628

約数の個数: 72

約数和(自身を含む): 76602240

約数和(自身を除く): 48365190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 131, 150, 225, 262, 393, 450, 479, 655, 786, 958, 1179, 1310, 1437, 1965, 2358, 2395, 2874, 3275, 3930, 4311, 4790, 5895, 6550, 7185, 8622, 9825, 11790, 11975, 14370, 19650, 21555, 23950, 29475, 35925, 43110, 58950, 62749, 71850, 107775, 125498, 188247, 215550, 313745, 376494, 564741, 627490, 941235, 1129482, 1568725, 1882470, 2823705, 3137450, 4706175, 5647410, 9412350, 14118525, 28237050]

約数ペア:

[(1, 28237050), (2, 14118525), (3, 9412350), (5, 5647410), (6, 4706175), (9, 3137450), (10, 2823705), (15, 1882470), (18, 1568725), (25, 1129482), (30, 941235), (45, 627490), (50, 564741), (75, 376494), (90, 313745), (131, 215550), (150, 188247), (225, 125498), (262, 107775), (393, 71850), (450, 62749), (479, 58950), (655, 43110), (786, 35925), (958, 29475), (1179, 23950), (1310, 21555), (1437, 19650), (1965, 14370), (2358, 11975), (2395, 11790), (2874, 9825), (3275, 8622), (3930, 7185), (4311, 6550), (4790, 5895)]