123937520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{221317}}^1$

素因数の和:221337

約数の個数: 40

約数和(自身を含む): 329321184

約数和(自身を除く): 205383664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 221317, 442634, 885268, 1106585, 1549219, 1770536, 2213170, 3098438, 3541072, 4426340, 6196876, 7746095, 8852680, 12393752, 15492190, 17705360, 24787504, 30984380, 61968760, 123937520]

約数ペア:

[(1, 123937520), (2, 61968760), (4, 30984380), (5, 24787504), (7, 17705360), (8, 15492190), (10, 12393752), (14, 8852680), (16, 7746095), (20, 6196876), (28, 4426340), (35, 3541072), (40, 3098438), (56, 2213170), (70, 1770536), (80, 1549219), (112, 1106585), (140, 885268), (280, 442634), (560, 221317)]