388946590

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{28411}}^1$

素因数の和:28492

約数の個数: 24

約数和(自身を含む): 719562312

約数和(自身を除く): 330615722

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 1369, 2738, 6845, 13690, 28411, 56822, 142055, 284110, 1051207, 2102414, 5256035, 10512070, 38894659, 77789318, 194473295, 388946590]

約数ペア:

[(1, 388946590), (2, 194473295), (5, 77789318), (10, 38894659), (37, 10512070), (74, 5256035), (185, 2102414), (370, 1051207), (1369, 284110), (2738, 142055), (6845, 56822), (13690, 28411)]