187355320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 438681600

約数和(自身を除く): 251326280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 556, 620, 695, 1087, 1112, 1240, 1390, 2174, 2780, 4309, 4348, 5435, 5560, 8618, 8696, 10870, 17236, 21545, 21740, 33697, 34472, 43090, 43480, 67394, 86180, 134788, 151093, 168485, 172360, 269576, 302186, 336970, 604372, 673940, 755465, 1208744, 1347880, 1510930, 3021860, 4683883, 6043720, 9367766, 18735532, 23419415, 37471064, 46838830, 93677660, 187355320]

約数ペア:

[(1, 187355320), (2, 93677660), (4, 46838830), (5, 37471064), (8, 23419415), (10, 18735532), (20, 9367766), (31, 6043720), (40, 4683883), (62, 3021860), (124, 1510930), (139, 1347880), (155, 1208744), (248, 755465), (278, 673940), (310, 604372), (556, 336970), (620, 302186), (695, 269576), (1087, 172360), (1112, 168485), (1240, 151093), (1390, 134788), (2174, 86180), (2780, 67394), (4309, 43480), (4348, 43090), (5435, 34472), (5560, 33697), (8618, 21740), (8696, 21545), (10870, 17236)]