251882960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2017}}^1$

素因数の和:2260

約数の個数: 80

約数和(自身を含む): 672623616

約数和(自身を除く): 420740656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 446, 560, 892, 1115, 1561, 1784, 2017, 2230, 3122, 3568, 4034, 4460, 6244, 7805, 8068, 8920, 10085, 12488, 14119, 15610, 16136, 17840, 20170, 24976, 28238, 31220, 32272, 40340, 56476, 62440, 70595, 80680, 112952, 124880, 141190, 161360, 225904, 282380, 449791, 564760, 899582, 1129520, 1799164, 2248955, 3148537, 3598328, 4497910, 6297074, 7196656, 8995820, 12594148, 15742685, 17991640, 25188296, 31485370, 35983280, 50376592, 62970740, 125941480, 251882960]

約数ペア:

[(1, 251882960), (2, 125941480), (4, 62970740), (5, 50376592), (7, 35983280), (8, 31485370), (10, 25188296), (14, 17991640), (16, 15742685), (20, 12594148), (28, 8995820), (35, 7196656), (40, 6297074), (56, 4497910), (70, 3598328), (80, 3148537), (112, 2248955), (140, 1799164), (223, 1129520), (280, 899582), (446, 564760), (560, 449791), (892, 282380), (1115, 225904), (1561, 161360), (1784, 141190), (2017, 124880), (2230, 112952), (3122, 80680), (3568, 70595), (4034, 62440), (4460, 56476), (6244, 40340), (7805, 32272), (8068, 31220), (8920, 28238), (10085, 24976), (12488, 20170), (14119, 17840), (15610, 16136)]