289367060

素因数分解:

$2^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{10139}}^1$

素因数の和:11575

約数の個数: 24

約数和(自身を含む): 608156640

約数和(自身を除く): 318789580

約数列:

[1, 2, 4, 5, 10, 20, 1427, 2854, 5708, 7135, 10139, 14270, 20278, 28540, 40556, 50695, 101390, 202780, 14468353, 28936706, 57873412, 72341765, 144683530, 289367060]

約数ペア:

[(1, 289367060), (2, 144683530), (4, 72341765), (5, 57873412), (10, 28936706), (20, 14468353), (1427, 202780), (2854, 101390), (5708, 50695), (7135, 40556), (10139, 28540), (14270, 20278)]