869680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1553}}^1$

素因数の和:1573

約数の個数: 40

約数和(自身を含む): 2312352

約数和(自身を除く): 1442672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1553, 3106, 6212, 7765, 10871, 12424, 15530, 21742, 24848, 31060, 43484, 54355, 62120, 86968, 108710, 124240, 173936, 217420, 434840, 869680]

約数ペア:

[(1, 869680), (2, 434840), (4, 217420), (5, 173936), (7, 124240), (8, 108710), (10, 86968), (14, 62120), (16, 54355), (20, 43484), (28, 31060), (35, 24848), (40, 21742), (56, 15530), (70, 12424), (80, 10871), (112, 7765), (140, 6212), (280, 3106), (560, 1553)]