142805408

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1549}}^1$

素因数の和:1669

約数の個数: 48

約数和(自身を含む): 292168800

約数和(自身を除く): 149363392

約数列:

[1, 2, 4, 8, 16, 32, 43, 67, 86, 134, 172, 268, 344, 536, 688, 1072, 1376, 1549, 2144, 2881, 3098, 5762, 6196, 11524, 12392, 23048, 24784, 46096, 49568, 66607, 92192, 103783, 133214, 207566, 266428, 415132, 532856, 830264, 1065712, 1660528, 2131424, 3321056, 4462669, 8925338, 17850676, 35701352, 71402704, 142805408]

約数ペア:

[(1, 142805408), (2, 71402704), (4, 35701352), (8, 17850676), (16, 8925338), (32, 4462669), (43, 3321056), (67, 2131424), (86, 1660528), (134, 1065712), (172, 830264), (268, 532856), (344, 415132), (536, 266428), (688, 207566), (1072, 133214), (1376, 103783), (1549, 92192), (2144, 66607), (2881, 49568), (3098, 46096), (5762, 24784), (6196, 23048), (11524, 12392)]