218974120

素因数分解:

$2^3\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{3623}}^1$

素因数の和:5145

約数の個数: 32

約数和(自身を含む): 493153920

約数和(自身を除く): 274179800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1511, 3022, 3623, 6044, 7246, 7555, 12088, 14492, 15110, 18115, 28984, 30220, 36230, 60440, 72460, 144920, 5474353, 10948706, 21897412, 27371765, 43794824, 54743530, 109487060, 218974120]

約数ペア:

[(1, 218974120), (2, 109487060), (4, 54743530), (5, 43794824), (8, 27371765), (10, 21897412), (20, 10948706), (40, 5474353), (1511, 144920), (3022, 72460), (3623, 60440), (6044, 36230), (7246, 30220), (7555, 28984), (12088, 18115), (14492, 15110)]