38407775

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 57371328

約数和(自身を除く): 18963553

約数列:

[1, 5, 7, 25, 35, 41, 53, 101, 175, 205, 265, 287, 371, 505, 707, 1025, 1325, 1435, 1855, 2173, 2525, 3535, 4141, 5353, 7175, 9275, 10865, 15211, 17675, 20705, 26765, 28987, 37471, 54325, 76055, 103525, 133825, 144935, 187355, 219473, 380275, 724675, 936775, 1097365, 1536311, 5486825, 7681555, 38407775]

約数ペア:

[(1, 38407775), (5, 7681555), (7, 5486825), (25, 1536311), (35, 1097365), (41, 936775), (53, 724675), (101, 380275), (175, 219473), (205, 187355), (265, 144935), (287, 133825), (371, 103525), (505, 76055), (707, 54325), (1025, 37471), (1325, 28987), (1435, 26765), (1855, 20705), (2173, 17675), (2525, 15211), (3535, 10865), (4141, 9275), (5353, 7175)]