281298140

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{84221}}^1$

素因数の和:84397

約数の個数: 24

約数和(自身を含む): 594270432

約数和(自身を除く): 312972292

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 84221, 168442, 336884, 421105, 842210, 1684420, 14064907, 28129814, 56259628, 70324535, 140649070, 281298140]

約数ペア:

[(1, 281298140), (2, 140649070), (4, 70324535), (5, 56259628), (10, 28129814), (20, 14064907), (167, 1684420), (334, 842210), (668, 421105), (835, 336884), (1670, 168442), (3340, 84221)]