126906220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{906473}}^1$

素因数の和:906489

約数の個数: 24

約数和(自身を含む): 304575264

約数和(自身を除く): 177669044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 906473, 1812946, 3625892, 4532365, 6345311, 9064730, 12690622, 18129460, 25381244, 31726555, 63453110, 126906220]

約数ペア:

[(1, 126906220), (2, 63453110), (4, 31726555), (5, 25381244), (7, 18129460), (10, 12690622), (14, 9064730), (20, 6345311), (28, 4532365), (35, 3625892), (70, 1812946), (140, 906473)]