7289140

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1297}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 15373512

約数和(自身を除く): 8084372

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1297, 1405, 2594, 2810, 5188, 5620, 6485, 12970, 25940, 364457, 728914, 1457828, 1822285, 3644570, 7289140]

約数ペア:

[(1, 7289140), (2, 3644570), (4, 1822285), (5, 1457828), (10, 728914), (20, 364457), (281, 25940), (562, 12970), (1124, 6485), (1297, 5620), (1405, 5188), (2594, 2810)]