221497140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{3691619}}^1$

素因数の和:3691631

約数の個数: 24

約数和(自身を含む): 620192160

約数和(自身を除く): 398695020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3691619, 7383238, 11074857, 14766476, 18458095, 22149714, 36916190, 44299428, 55374285, 73832380, 110748570, 221497140]

約数ペア:

[(1, 221497140), (2, 110748570), (3, 73832380), (4, 55374285), (5, 44299428), (6, 36916190), (10, 22149714), (12, 18458095), (15, 14766476), (20, 11074857), (30, 7383238), (60, 3691619)]